Republic Day 2026: DRDO to showcase its path-breaking innovations at Kartavya Path & Bharat Parv

1. At a Glance

• DRDO (Defence Research & Development Organisation, under Ministry of Defence) is the lead military R&D agency showcasing its flagship indigenous systems during the 77th Republic Day Parade, 26 January 2026 at Kartavya Path and at Bharat Parv (Red Fort, 26–31 Jan 2026) [1][2].
• Headline systems: Long Range Anti-Ship Hypersonic Missile (LR-AShM) with launcher (parade) and a tableau themed "Naval Technologies for Combat Submarines" (Bharat Parv) [1][2].
• For UPSC: directly relevant to GS-III Defence Tech, Indigenisation, Aatmanirbhar Bharat in Defence and Prelims sci-tech.

2. Why in the News

• PIB release (22 Jan 2026, Ministry of Defence) announced the DRDO showcase for the 77th Republic Day Parade [1].
• LR-AShM is being publicly unveiled for the first time at a national parade — described as a "first-of-its-kind" Indian hypersonic glide weapon [1][3].

3. Background & Evolution

• DRDO established 1958, headquartered New Delhi, parent: Department of Defence R&D, Ministry of Defence.
• Hypersonic lineage: HSTDV scramjet flight (Sept 2020) → Long Range Hypersonic Missile test (Nov 2024, off Odisha) → LR-AShM coastal-battery variant unveiled R-Day 2026 [3].
• Submarine tech lineage: indigenous AIP (Air Independent Propulsion) based on phosphoric acid fuel cell developed by NMRL; MoD signed ₹1,990 crore contract with MDL (2024) for AIP plug integration on Kalvari-class submarines [4].

4. Core Static Facts

• Implementing body: DRDO, under Department of Defence R&D, Ministry of Defence [1].
• Showcase venues: Kartavya Path (parade, 26 Jan 2026); Bharat Parv, Red Fort (26–31 Jan 2026) [1][2].
• LR-AShM type: Hypersonic Glide Missile, two-stage solid propellant rocket motor [3].
• LR-AShM speed: boost to Mach 10, sustained avg Mach 5 with multiple skips; quasi-ballistic trajectory [3].
• LR-AShM range: >1,500 km; designed for Indian Navy coastal battery role; engages static & moving targets; indigenous avionics & sensor package [1][3].
• Bharat Parv tableau theme: "Naval Technologies for Combat Submarines" [2].
• Systems on tableau: Integrated Combat Suite (ICS), Wire-Guided Heavy Weight Torpedo (WGHWT), Air Independent Propulsion (AIP) [2].
• ICS collaboration: 8 DRDO laboratories + ~150 industry partners/MSMEs [2].
• AIP basis: phosphoric acid fuel cell with onboard hydrogen generator (NMRL technology) [2][4].
• Other DRDO systems displayed in armed forces contingents: Arjun MBT, NAMIS-II (Nag), ATAGS, BrahMos, Akash, Battle-Field Surveillance Radar, ATGM [3].

5. Multi-Dimensional Analysis

• Scientific / Technological
• LR-AShM places India among a small club (US, Russia, China) fielding a hypersonic glide vehicle (HGV) anti-ship weapon [1][3].
• Quasi-ballistic + skip trajectory complicates BMD interception; indigenous avionics + high-accuracy sensors reduce import dependence [1].

• AIP fuel-cell stack extends conventional submarine submerged endurance without nuclear propulsion [2].

• Strategic / Geopolitical

• Coastal-battery anti-ship hypersonic missile addresses A2/AD doctrine in IOR, particularly against PLAN carrier groups [3].

• Enhances Indian Navy sea-denial in Bay of Bengal & Arabian Sea; complements BrahMos and the Nov-2024 LRHM test [3].

• Economic / Industrial

• ICS engages 150 MSMEs, signalling defence-industrial spin-off under Aatmanirbhar Bharat in Defence [2].

• AIP integration order valued at ₹1,990 crore with MDL (Mazagon Dock Shipbuilders) [4].

• Administrative / Governance

• 8-lab consortium model (ICS) reflects DRDO's "cluster" approach — Naval Systems & Materials cluster lead [2].
• Multi-agency choreography: MoD–DRDO–Indian Navy–MDL for AIP plug retrofit [2][4].

6. Recent Developments (last 12–18 months)

• Nov 2024: First successful flight test of Long Range Hypersonic Missile off Dr APJ Abdul Kalam Island, Odisha (precursor platform) [3].
• 2024: ₹1,990 cr MoD–MDL contract for AIP plug integration into Kalvari-class submarines [4].
• 22 Jan 2026: PIB announces LR-AShM and submarine-tech tableau for Republic Day [1].
• 26 Jan 2026: LR-AShM with launcher rolls down Kartavya Path during 77th R-Day Parade [1][3].
• 26–31 Jan 2026: DRDO tableau at Bharat Parv, Red Fort lawns [2].

7. Prelims Hooks

• 77th Republic Day Parade held on 26 January 2026 at Kartavya Path [1].
• LR-AShM = Long Range Anti-Ship Hypersonic Missile, developer DRDO [1].
• LR-AShM is a Hypersonic Glide Missile — not a cruise missile [1].
• LR-AShM propulsion: two-stage solid rocket motor [3].
• LR-AShM peak speed Mach 10; sustained Mach 5 average with skip trajectory [3].
• LR-AShM range: >1,500 km; intended for Indian Navy coastal battery role [1][3].
• Bharat Parv 2026 venue: Red Fort, dates 26–31 January 2026 [2].
• DRDO Bharat Parv tableau theme: "Naval Technologies for Combat Submarines" [2].
• Three systems on tableau: ICS, WGHWT, AIP [2].
• ICS developed by 8 DRDO labs with ~150 MSMEs [2].
• AIP uses phosphoric acid fuel cell with onboard hydrogen generator [2].
• AIP plug contract: ₹1,990 crore with MDL (2024) [4].
• DRDO founded 1958; parent: Department of Defence R&D, MoD.

8. Mains Relevance

• GS-III: "Achievements of Indians in Science & Technology; indigenisation of technology; developing new technology" and "Various security forces and agencies and their mandate."
• Plausible question stems: 1. "Hypersonic glide weapons are reshaping conventional deterrence in the Indo-Pacific. Examine in light of recent DRDO developments." (GS-III) 2. "Critically evaluate India's progress in indigenisation of submarine technologies, with reference to AIP and Integrated Combat Suite." (GS-III) 3. "DRDO's lab-industry-MSME consortium model is central to Aatmanirbhar Bharat in Defence. Discuss." (GS-III)

9. Related Topics to Study Next

• HSTDV & Long Range Hypersonic Missile (LRHM) — tech antecedent of LR-AShM.
• BrahMos & BrahMos-II — comparative supersonic/hypersonic cruise missile.
• Project-75 / Project-75I (Kalvari-class) — platforms for AIP integration.
• Defence Acquisition Procedure 2020 & iDEX — procurement/innovation framework.
• Aatmanirbhar Bharat in Defence — Positive Indigenisation Lists — policy backdrop.
• Integrated Theatre Commands & CDS — doctrinal user of these systems.
• SAMAR, Akash-NG, QRSAM — other DRDO air-defence systems often confused at Prelims.
• Indian Ocean Region (IOR) maritime strategy & SAGAR doctrine — strategic context.

10. Common Errors / Trap Areas

• LR-AShM is a hypersonic glide missile, NOT a scramjet cruise missile (that is HSTDV/BrahMos-II) [1].
• LR-AShM is for coastal battery / shore-based anti-ship role — not ship- or submarine-launched at induction [1].
• Bharat Parv is held at Red Fort, not at Kartavya Path; only the parade is at Kartavya Path [1][2].
• AIP ≠ nuclear propulsion; it uses fuel cells, keeping the submarine conventional (SSK), not SSN [2].
• DRDO is under the Department of Defence R&D, MoD — not under DST or MeitY.