Drones (Unmanned Aircraft Systems) — Overview
A drone or Unmanned Aircraft System (UAS) consists of an unmanned aircraft (UA) and its associated elements including communication links, components, and equipment to control the aircraft remotely or autonomously. Drones operate across a wide range from sub-kilogram hobbyist devices to multi-tonne military platforms.
Classification under Drone Rules 2021
India classifies drones by maximum all-up weight (AUW):
| Category | AUW | Primary Use |
|---|---|---|
| Nano | Up to 250 g | Hobby, photography |
| Micro | 250 g – 2 kg | Surveillance, agriculture |
| Small | 2 kg – 25 kg | Delivery, survey, agriculture |
| Medium | 25 kg – 150 kg | Cargo, industrial |
| Large | Above 150 kg | Defence, heavy cargo |
Drone Rules, 2021 — Liberalisation
The Drone Rules, 2021 (notified 25 August 2021, replacing the Unmanned Aircraft System Rules 2021 and earlier 2014 regulations) represented a major policy liberalisation:
- Reduced approvals: From 25 forms/types of approvals in UAS Rules 2021 to just 5.
- No security clearance required for Indian drone manufacturers and operators.
- Digital Sky Platform: A unified online platform for:
- Drone registration and deregistration.
- Unique Identification Number (UIN) generation.
- Drone Pilot licence application.
- Real-time airspace management (Green, Yellow, Red zones).
- Green Zone: Automatic permission for drone operations up to 400 ft, without prior approval.
- No pilot licence required for nano drones or for research institutions.
- BVLOS (Beyond Visual Line of Sight) approvals: Conditional approvals extended to enable logistics, agriculture, and surveillance applications over longer ranges.
Drone Shakti Initiative
The Drone Shakti initiative (announced in Union Budget 2022-23) aims to promote drone-as-a-service (DrAAS) through start-ups, create drone hubs, and integrate drones into agricultural and logistics ecosystems.
PLI Scheme for Drones
The Production Linked Incentive (PLI) Scheme for Drones and Drone Components was approved by the Government for implementation during FY 2022-23 to FY 2024-25, with a total financial outlay of ₹120 crore. Key features:
- Incentive rate: 20% of the value addition by the manufacturer.
- Eligibility: Indian-owned drone and drone component manufacturers with a minimum turnover.
- PLI per beneficiary is capped at 25% of total annual outlay to ensure wider distribution.
- Aimed at making India a global drone manufacturing hub.
Applications of Drones in India
Agriculture
- Precision pesticide and fertiliser spraying (reduces chemical use by 40–60% vs. conventional).
- Crop health monitoring using multispectral imaging.
- Seed broadcasting in difficult terrain (jhum lands, hilly areas).
- Scheme: Kisan Drone (PM Kisan Drone scheme to support farmer drone adoption).
Logistics and Delivery
- Medicine delivery to remote areas — pilots in Telangana (Medicines from the Sky), Arunachal Pradesh.
- E-commerce last-mile delivery trials.
Disaster Management
- Search and rescue in flood, earthquake zones.
- Real-time situational awareness for disaster response.
Defence
- DRDO-developed drones: TAPAS (Tactical Airborne Platform for Aerial Surveillance), Rustom-II (MALE drone), SWITCH (for MARCOS special forces).
- India's Pinaka-armed drone variants under development.
- Armed forces import Heron drones from Israel and acquired MQ-9B Sea Guardian from the US.
Infrastructure and Surveying
- SVAMITVA (Survey of Villages and Mapping with Improvised Technology in Village Areas) scheme uses drones for rural land mapping.
India's New Space Economy — Key Institutions
IN-SPACe (Indian National Space Promotion and Authorisation Centre)
IN-SPACe was established in June 2020 as an autonomous body under the Department of Space to:
- Serve as a single-window clearance mechanism for private sector space activities.
- Authorise, supervise, and promote non-government entities (NGEs) across the space value chain.
- Share ISRO infrastructure (launchpads, testing facilities) with private players.
- Promote India as a destination for global space investment.
NSIL (NewSpace India Limited)
NSIL, incorporated in 2019, is a Public Sector Undertaking (PSU) and commercial arm of ISRO. Its functions include:
- Technology transfer to Indian industry for ISRO-developed systems.
- Commercial satellite launches and leasing transponder capacity.
- Enabling end-to-end commercial space activities.
- Marketing ISRO launch services (PSLV, SSLV, GSLV Mk III) to international customers.
Space Sector FDI Liberalisation (2024)
On 21 February 2024, the Union Cabinet approved a revised FDI policy for the space sector permitting:
- 100% FDI under automatic route for: manufacturing of satellite components, systems/sub-systems; ground segment and user segment manufacturing.
- Up to 74% FDI under automatic route for satellite manufacturing and operation, satellite data products.
- Up to 49% FDI under automatic route for launch vehicles and associated systems; creation of spaceports.
- Investments beyond these thresholds require government approval.
This was a landmark liberalisation, breaking the historical state monopoly and opening India to global space capital.
Private Launch Vehicles — A New Era
Skyroot Aerospace — Vikram-S
On 18 November 2022, Skyroot Aerospace launched Vikram-S from the Satish Dhawan Space Centre, Sriharikota — the first private rocket to launch from India (Mission Prarambh). The sub-orbital, single-stage solid rocket reached 88.8 km altitude and carried three customer payloads. The launch was authorised by IN-SPACe.
Agnikul Cosmos
Agnikul Cosmos is developing the Agnibaan launch vehicle, notable for using a single-piece 3D-printed semi-cryogenic engine (AgniletTM) — a world first. It targets small satellite launches of up to 300 kg to Low Earth Orbit (LEO).
Other Private Space Firms
- Pixxel: Earth observation satellites with hyperspectral imaging.
- Bellatrix Aerospace: In-space propulsion systems.
- Dhruva Space: Satellite deployment and on-orbit servicing.
India's Space Economy — Targets
A FICCI-EY Report projects India's space economy to grow from $8.4 billion in 2022 to $44 billion by 2033, targeting 8% of the global space market. Key growth segments:
- SATCOM: Projected at $14.8 billion by 2033.
- Earth Observation: $8 billion by 2033.
- Navigation: NAVIC-based services.
The Indian Space Policy, 2023 (notified June 2023) provides the overarching regulatory framework delineating roles of ISRO (R&D, national missions), NSIL (commercial arm), and IN-SPACe (regulator/promoter for private sector). ISRO transitions from operator to facilitator.
Key Regulatory and Policy Documents
| Document | Year | Significance |
|---|---|---|
| Drone Rules | 2021 | Replaced UAS Rules 2021; liberalised approvals |
| PLI Scheme for Drones | 2021 | ₹120 crore outlay; 2022-23 to 2024-25 |
| Space Sector FDI Policy | 2024 | 100% FDI (auto) for satellite components |
| Indian Space Policy | 2023 | IN-SPACe as regulator; ISRO as R&D body |
| Drone Shakti | 2022-23 Budget | DrAAS; drone start-up ecosystem |
Recent Developments (2024–2026)
India's Drone Ecosystem — 38,500+ Registered, PLI Progress 2024
India's drone sector has grown rapidly under the Drone Rules 2021 framework. By February 2026, India has 38,500+ registered drones (Unique Identification Number holders), 39,890 DGCA-certified remote pilots, and 244 DGCA-approved drone training organisations. The PLI (Production-Linked Incentive) scheme for drones and drone components (₹120 crore over 3 years), notified September 2021, supported domestic manufacturing growth from ₹60 crore (2020–21) to an estimated ₹900 crore by 2025.
The government is developing a PLI 2.0 for drones with approximately ₹1,000 crore to support a full ecosystem — covering component manufacturing, drone services (leasing, software), and exports. The Indian drone market is projected to grow at 22.15% CAGR during 2024–30. Key policy achievements: 100% FDI in drone manufacturing under automatic route; NPNT (No Permission No Takeoff) system operationalised for real-time traffic management.
UPSC angle: Drone Rules 2021, PLI scheme, NPNT system, remote pilot certification, and India's drone manufacturing target are Prelims and Mains content.
India's New Space Economy — Private Sector Launches 2024
India's new space economy targets $44 billion by 2033 (from the current ~$8 billion). The IN-SPACe-facilitated private sector ecosystem has grown significantly: Agnikul Cosmos completed India's second private rocket launch (Agnibaan SOrTeD, a partially 3D-printed rocket demonstrator) in May 2024. Skyroot Aerospace (Vikram rocket series) secured additional launches for 2025. Space Kidz India, Dhruva Space, Pixxel, and GalaxEye are among 180+ DPIIT-recognised space startups.
ISRO's commercial arm, NSIL (NewSpace India Limited), launched its first wholly commercial mission in 2024 — deploying foreign commercial satellites on PSLV. IN-SPACe authorised 7 satellite communication missions and 4 launch vehicle development contracts in 2024–25. India's space sector FDI policy was further liberalised in February 2024, allowing 100% FDI in satellite manufacturing and operations under automatic route.
UPSC angle: New space economy target ($44 billion by 2033), Agnikul/Skyroot private launches, FDI liberalisation (Feb 2024), and IN-SPACe/NSIL roles are Prelims and Mains content.
Drone-Based Service Delivery and Agriculture 2024
India's drone-based agricultural spraying programme surpassed 15 lakh hectares coverage by early 2025 under the SMAM (Sub-Mission on Agricultural Mechanisation) scheme, which subsidises drone purchase for farmer producer organisations (FPOs), cooperatives, and Custom Hiring Centres (CHCs). The PM Drone Didi Yojana (announced November 2023) targets deploying 15,000 women-led Self-Help Groups (SHGs) as drone service providers in rural areas — combining gender empowerment with agri-tech adoption.
Drone applications in disaster management expanded significantly in 2024: the National Disaster Response Force (NDRF) used drones in 38 disaster response operations in 2024 for search and rescue, supply delivery (medicines, food) to flood-isolated areas, and damage assessment. The Civil Aviation Ministry operationalised the UTM (Unmanned Traffic Management) system in 38 cities by March 2025.
UPSC angle: PM Drone Didi, SMAM agricultural drones, NDRF disaster applications, and UTM system are Prelims data points; gender-agriculture-technology convergence is Mains content.
Exam Strategy & Key Terms
For Prelims: Drone Rules 2021 notified 25 August 2021; PLI scheme ₹120 crore; 5 drone categories (nano to large); Vikram-S launched 18 November 2022 (first private rocket from India); IN-SPACe established June 2020; NSIL (PSU commercial arm of ISRO); India's space economy target $44 billion by 2033; FDI in space (100% for components — auto route, February 2024).
For Mains (GS3 — Science and Technology / Economy): Significance of Drone Rules 2021 liberalisation for agriculture and logistics; India's space sector privatisation rationale; role of IN-SPACe as single-window regulator; India's private launch vehicle ecosystem; challenges — technology gaps, finance, global competition; geopolitical dimensions of space economy.
Key Terms: UAS, BVLOS, Digital Sky Platform, DrAAS, Drone Shakti, PLI (Drones), IN-SPACe, NSIL, Vikram-S, Agnikul, Agnibaan, SATCOM, Indian Space Policy 2023, FICCI-EY Space Economy Report, Kisan Drone, SVAMITVA.
BharatNotes