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Updated 6 SeptPolitics

India negotiates purchase of five additional S-400 air defense systems

Headline by Prism · from 1 report

India is negotiating the purchase of five additional S-400 air defense systems from Russia following their successful performance during Operation Sindoor.

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The record

Written from the 1 report below. Nothing here is unsourced.

  • India is negotiating with Russia to buy five additional S-400 air defence systems after Moscow sent a cost proposal, following the system's strong performance during Operation Sindoor in May 2025.
  • The final approval will rest with the Cabinet Committee on Security once the cost is settled and the finance ministry clears it.
  • The last of the five S-400 systems originally contracted in 2018 for USD 5.43 billion is due to arrive in India in November, and will be deployed in the eastern sector facing China.
  • Separately, India has taken no decision on buying Su-57 fighter squadrons, though the Air Force has shown interest amid Chinese J-20 deployments in Tibet.

What to watch next

  • Cost negotiations between India and Russia based on the Bill of Quantities proposal
  • Cabinet Committee on Security approval after finance ministry clearance
  • Possible defence agreements during Putin's expected Delhi visit for the BRICS summit on September 11-13

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1 report
English national1

All filed from India

Named India · Russia · China · Pakistan · BrahMos · Indian Air Force · J-20 · Pakistan Air Force · S-400 Triumf · SU-57 · BRICS · Cabinet Committee on Security · Government of India · Indian Ministry of Finance · Narendra Modi · People's Liberation Army

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India negotiates purchase of five additional S-400 air defense systems | Prism