Russia has been the largest exporter of military equipment to India for many years, accounting for over 60% of India's total military imports.

India's reliance on military imports is due to a combination of factors, including the lack of a robust domestic defense industry, the high cost of domestic production, and the technological inferiority of domestic products.

Maharashtra is home to a large number of defense industries, including the Hindustan Aeronautics Limited (HAL), the Bharat Electronics Limited (BEL), and the Tata Advanced Systems Limited (TASL).

New Delhi is known as the 'Defense Capital of India' due to its concentration of defense-related organizations and institutions, including the Ministry of Defense, the Indian Army Headquarters, and the Indian Air Force Headquarters.

The Boeing P-8I Poseidon is a long-range maritime patrol aircraft used by the Indian Navy for maritime patrol, anti-submarine warfare, and intelligence gathering.

The Mil Mi-17 is a medium-lift helicopter used by the Indian Air Force and the Indian Army for troop transport, combat operations, and search and rescue missions.

The T-90S Bhishma is a main battle tank used by the Indian Army. It is a variant of the Russian T-90 tank, customized to meet the specific requirements of the Indian military.

The Akash is a short-range surface-to-air missile system developed by India's Defense Research and Development Organization (DRDO). It is used by the Indian Air Force and the Indian Army for air defense.

The BrahMos is a supersonic cruise missile jointly developed by India and Russia. It is used by the Indian Navy, the Indian Air Force, and the Indian Army for medium-range air defense.

The Agni is a series of intermediate-range ballistic missiles developed by India's DRDO. It is used by the Indian Strategic Forces Command for long-range strategic strikes.

The GSAT (Geosynchronous Satellite) series of satellites are used by the Indian Space Research Organization (ISRO) for communication purposes, including telecommunications, television broadcasting, and internet services.

The IRNSS (Indian Regional Navigation Satellite System) is a regional navigation satellite system developed by ISRO. It provides accurate positioning, navigation, and timing services to users in India and the surrounding region.

The RISAT (Radar Imaging Satellite) series of satellites are used by ISRO for earth observation purposes, including surveillance, mapping, and disaster management.

The RISAT (Radar Imaging Satellite) series of satellites are also used by the Indian military for surveillance purposes, including border monitoring, maritime patrol, and intelligence gathering.

The INSAT (Indian National Satellite System) series of satellites are used by ISRO for various purposes, including weather forecasting, telecommunications, and television broadcasting.