The Defence Industrial Corridors (DICs) are a concept and scheme by the Government of India, defined as designated geographic concentrations of defence manufacturing infrastructure. The core purpose is to consolidate India's nascent military-industrial base, attract domestic and foreign investment, and advance the policy objective of self-reliance, or Atmanirbhar Bharat, in arms production.
The concept originated with an announcement by Finance Minister Arun Jaitley in the Union Budget speech on February 1, 2018, signalling the establishment of two such corridors. The problem they solve is India's heavy reliance on foreign defence imports by catalysing indigenous production of defence and aerospace-related items. The two corridors are the Uttar Pradesh Defence Industrial Corridor (UPDIC) and the Tamil Nadu Defence Industrial Corridor (TNDIC). The TNDIC was inaugurated on January 20, 2019, at Tiruchirappalli.
The mechanism involves creating a network of geographically dispersed manufacturing nodes, not a single industrial estate, linked by policy intent and connective infrastructure. The UPDIC comprises six nodes: Lucknow, Kanpur, Agra, Aligarh, Jhansi, and Chitrakoot, with the Uttar Pradesh Expressways Industrial Development Authority (UPEIDA) as the nodal agency. The TNDIC includes five nodes: Chennai, Tiruchirappalli, Coimbatore, Salem, and Hosur. Key provisions include offering "Plug and Play" support, such as assured utilities, highway connectivity, and single-window approvals via state systems like Nivesh Mitra.
The corridors are intrinsically connected to the broader legal and policy architecture of the Ministry of Defence, including the Defence Acquisition Procedure (DAP) 2020, the Defence Production and Export Promotion Policy (DPEPP) 2020, and the successive Positive Indigenisation Lists. They also benefit from related schemes like iDEX (Innovations for Defence Excellence) and the integration of Micro, Small and Medium Enterprises (MSMEs) as tier-2 and tier-3 suppliers. The DICs have not been replaced, but their impact has grown, with the UPDIC attracting investment commitments of ₹42,057 crore and the TNDIC securing ₹32,699 crore by April 2026.