Aryabhatta Research Institute of Observational Sciences

What Aryabhatta Research Institute of Observational Sciences does

Aryabhatta Research Institute of Observational Sciences (ARIES) is an autonomous research institute operating under India's Department of Science and Technology (DST). Established in its current form in 2004, with roots tracing to the Uttar Pradesh State Observatory founded in 1954, ARIES is headquartered in Nainital, Uttarakhand and operates its primary observing site at Devasthal. It functions as a public-sector scientific facility serving the Indian and international astronomy, astrophysics, and atmospheric science communities through open-access telescope time, collaborative research, PhD training, and instrumentation programs.

The institute's core technical assets are ground-based observational instruments. Optical facilities include the 3.6m Devasthal Optical Telescope (DOT), described as Asia's largest optical telescope, the 4m International Liquid Mirror Telescope (ILMT), the 1.3m Devasthal Fast Optical Telescope (DFOT), a 104-cm Sampurnanand Telescope, a 50-cm Binocular ST, and a 15-cm Solar Telescope. Its atmospheric sciences program operates a Stratosphere-Troposphere (ST) Radar, Lidar systems, and trace gas measurement instruments for atmospheric profiling. Data processing leverages U-Net architectures for solar image segmentation and image correlation techniques for observational data analysis. The institute maintains published data archives and catalogs serving as research infrastructure for the global community.

ARIES operates as a non-commercial, government-funded entity. Primary revenue is derived from DST budgetary allocations supporting operations, instrument maintenance, and research grants. Supplemental income is generated through workshop and conference registration fees. Customer segments include ISRO and other government agencies (instrumentation and project partnerships), Indian and international academic researchers (telescope time allocations and collaborative publications), and graduate students (PhD programs and technical training workshops). There is no commercial product sales channel or subscription revenue.

Name

Aryabhatta Research Institute of Observational Sciences

Legal name

Aryabhatta Research Institute of Observational Sciences

Website

https://aries.res.in

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

51–100 employees

Short description

ARIES is an autonomous Indian government research institute under the Department of Science and Technology, operating optical telescopes and atmospheric instruments from Nainital and Devasthal to serve the global astronomy and atmospheric science community through observational data, instrumentation, and training.

Ownership category

akta.pro rank

Headquarters

HQ city

Nanital

HQ country

India

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure

Revenue model

1. Government Funding: ARIES is an autonomous institute under the Department of Science & Technology, Government of India, primarily funded through government grants for research operations.
2. Workshop and Conference Registration Fees: International participants pay registration fees ranging from INR 33,000-38,000 (standard) or INR 38,000-43,000 (late). Indian participants receive subsidized rates of INR 10,000-15,000 subject to national funding availability.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

ARIES operates world-class astronomical telescopes (3.6m DOT, 4m ILMT, 1.3m DFOT, 104-cm ST, 15-cm Solar) and atmospheric monitoring instruments (ST Radar, Lidar, trace gas and aerosol sensors) at Nainital and Devasthal, Uttarakhand. The institute provides observational research access to the scientific community, runs PhD and M.Tech-PhD academic programs, hosts training schools (ATSOA), workshops, and science outreach (ASPOP), and maintains data archives for solar, astronomical, and atmospheric observations.

Product overview

ARIES (Aryabhatta Research Institute of Observational Sciences) is an autonomous research institute under India's Department of Science & Technology, specialising in observational Astronomy & Astrophysics and Atmospheric Sciences. The institute operates a portfolio of world-class telescope facilities led by the 3.6m Devasthal Optical Telescope (DOT) — Asia's largest optical telescope, commissioned in 2016 at Devasthal, Uttarakhand — and the 4.0m International Liquid Mirror Telescope (ILMT), a dedicated liquid-mirror survey telescope achieving first light in 2022. Supporting these flagship facilities are the 1.3m DFOT (fast optical telescope for transient follow-up), the 104-cm Sampurnanand Telescope (optical photometry and spectroscopy since 1972), the 50-cm BnST (wide-field survey), and a 15-cm Solar Telescope. The Atmospheric Sciences division operates ST Radar, Lidar, and trace gas/aerosol instruments for atmospheric monitoring. ARIES also runs the Aditya-L1 Support Cell for India's solar space mission, manages the ARIES Data Archive for observational data preservation, and conducts PhD and M.Tech-Ph.D programs in astronomy and instrumentation. Public engagement is served through the ASPOP outreach program, annual ATSOA training school, ExCoDOT workshops, and the ILMT Contest for student data analysis competitions.

Differentiator

Problem solved

Functional benefit

Products and services

• 3.6m Devasthal Optical Telescope (DOT) — Observational Access Asia's largest optical telescope, equipped with near-infrared instruments (TANSPEC spectrograph, TIRCAM2 imaging camera). Provides observational access for optical and near-infrared stellar, galactic, and extragalactic research to the national and international astronomical community.
• 4.0m International Liquid Mirror Telescope (ILMT) — Survey Access Zenith-pointing liquid mirror telescope providing continuous deep sky survey access within a 27-arcmin strip, covering approximately 156 square degrees over 5 years. Supports photometric and astrometric observations of solar system objects, galactic and extragalactic sources, and space debris detection.
• ARIES Training School in Observational Astronomy (ATSOA) Annual training program for M.Sc. students covering telescopes, optical data analysis, star formation, galactic and extragalactic astronomy, with hands-on sessions in photometry, spectroscopy, and polarimetry. Limited to 30 participants from India with travel support and lodging provided.
• ARIES PhD Program Doctoral program in observational astronomy and atmospheric sciences with annual intake cycles. Open to qualified researchers interested in using ARIES telescope facilities and atmospheric instruments.
• Integrated M.Tech-Ph.D (Astronomical Instrumentation) Combined M.Tech–PhD program in astronomical instrumentation jointly operated with partner institutes, training students in the design and development of astronomical instruments.
• ARIES Science Popularization and Outreach Program (ASPOP) Science centre and outreach program at Manora Peak campus disseminating astronomy knowledge to the general public, facilitating undergraduate and graduate student projects with small-aperture telescopes, and showcasing astronomy career opportunities.
• Aditya-L1 Support Cell Science support cell for India's Aditya-L1 solar space mission, providing data analysis tools, workshops, and collaborative support for solar physics research. Conducts regular workshops and Teacher Training Workshops.
• ExCoDOT Workshop Series Workshop series on exploring science results from the 3.6m DOT, from observations to publication, delivered to the astronomical community.
• 1st ILMT Contest Nationwide astronomical data analysis competition using ILMT survey data. Participants develop automated algorithms for detecting and characterizing Resident Space Object (RSO) streaks, contributing to Space Situational Awareness.

Quantifiable outcome

• First successful Indian optical observation of gamma-ray burst afterglow (January 23, 1999)
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature4 records

Partnerships

Nine partnerships are on record, tiered core and major.

• NARIT (National Astronomical Research Institute of Thailand)coreStrategic or Co-development Partner · 1 January 2026MoU signed between NARIT and ARIES for cooperation in astronomical research, observational facilities sharing, and joint scientific programs. This partnership facilitates collaborative research in areas of mutual interest including star formation, variable stars, and extragalactic astronomy.
• IIT RoorkeecoreStrategic or Co-development PartnerMoU signed for academic cooperation between ARIES and IIT Roorkee, enabling joint research programs, student exchange, and collaborative projects in astronomical sciences and instrumentation.
• Belgo-Indian Network for Astronomy and Astrophysics (BINA)coreStrategic or Co-development PartnerPartnership network connecting ARIES with Belgian astronomical institutions including Université de Liège and other Canadian universities for collaborative research using Indo-Belgian telescopes.
• Université de Liège, BelgiumcoreStrategic or Co-development PartnerKey international partner for the 4-m International Liquid Mirror Telescope (ILMT) project, with Prof. Jean Surdej as co-chair of the ILMT workshop and organizing committee.
• Canadian Universities (UBC, Université Laval, University of Montreal, University of Toronto, York University, University of Victoria)majorStrategic or Co-development PartnerCollaborating institutions for the ILMT project, providing technical expertise and scientific leadership for the liquid mirror telescope survey and data analysis.
• Observatory of Poznań, PolandmajorStrategic or Co-development PartnerPartner institution contributing to the ILMT collaboration with expertise in astronomical instrumentation and data processing.
• Ministry of Science & Technology, Kingdom of ThailandmajorStrategic or Co-development PartnerGovernment sponsors of bilateral Indo-Thai programs including collaborations on pulsating variable stars and massive star influence on low mass star formation.
• ISRO (Indian Space Research Organisation)coreStrategic or Co-development PartnerMoU for cooperation in space situational awareness and astrophysics, including SSA projects with BEL and ISTRAC-ISRO, Bengaluru. ARIES hosts Aditya-L1 Support Cell.
• NARIT ThailandcoreStrategic or Co-development PartnerJoint research in Solar System, Galactic and Extra-Galactic Astronomy using observational facilities in both countries, with programs on pulsating variables and massive stars.

Scale indicators8 records

Recent moves3 records

Expansion highlights4 records

Regional players

• Space Telescope Science Institute (STScI): Operates Hubble and James Webb Space Telescopes for NASA. Comparable as a research institute managing space-based astronomical observation infrastructure, training programs, and large-scale data archives — adjacent business model to ARIES' ground-based facilities.

Direct peers

• Physical Research Laboratory (PRL): Autonomous institute under DST in Ahmedabad with active research in solar physics, planetary science, and astrophysics. Comparable to ARIES as a listed partner on collaborative solar research and as a peer DST autonomous research body.
• National Astronomical Research Institute of Thailand (NARIT): Thai government astronomical research institute operating telescopes in Doi Inthanon and Doi Pui, with active MoU partnership with ARIES. Directly comparable as a Southeast Asian national observatory with similar mandate, telescope operations, and Indo-Thai research collaboration.
• Indian Institute of Astrophysics (IIA): India's premier astronomy research institute, operating observatories at Kodaikanal, Hanle (Ladakh), and Gauribidanur. Directly comparable to ARIES as a DST autonomous institute doing observational astronomy, solar physics, and instrumentation. Both operate under India's Department of Science & Technology.
• Tata Institute of Fundamental Research - Department of Astronomy: TIFR's astronomy department operates radio telescopes and runs the National Centre for Radio Astrophysics (NCRA) and the GMRT observatory. Directly comparable as an Indian government-funded institution conducting observational astrophysics and instrumentation.
• Inter-University Centre for Astronomy and Astrophysics (IUCAA): Autonomous astronomy research centre under UGC at Pune, focused on theoretical and observational astrophysics. Comparable as a national-level Indian research institute promoting university-level astronomy research and instrumentation.

Broad incumbents

• Indian Space Research Organisation (ISRO): India's national space agency operating satellites and launch vehicles. ARIES partners with ISRO on Aditya-L1 support and SSA projects. Comparable as a buyer/partner of ARIES' ground-based astronomical and space situational awareness capabilities.
• European Southern Observatory (ESO): Intergovernmental astronomy organization operating the world's most advanced ground-based telescopes (VLT, ELT under construction). Comparable as a major observatory operator with multi-telescope portfolio and international collaboration model relevant to ARIES' partnerships.
• National Astronomical Observatory of Japan (NAOJ): Operates Japan's national observatories including Subaru Telescope and Nobeyama Radioheliograph (source of ARIES' solar data). Comparable as a national astronomy institution with solar observation infrastructure and active data-sharing with ARIES research.

Emerging players

• Tropospheric Emissions: Monitoring of Pollution (TEMPO) / Atmospheric Science Collaborators: Global network of atmospheric monitoring programs and Lidar/radar stations. Comparable to ARIES' Atmospheric Sciences Division operating ST Radar, Lidar, and trace gas instrumentation for atmospheric chemistry and air quality research.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ARIESNainital
• LinkedInlinkedin.com/company/aryabhatta-research-institute-of-observational-sciences

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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