The principle, recommended by the Kargil Review Committee and the Group of Ministers report (2001), that each stretch of India's land border should be guarded by a single designated central force to ensure clear accountability.
This is a defining principle of India's border-management architecture and directly concerns the deployment of the CAPFs, making it a high-value internal-security and institutions topic.
Match the force to the border: BSF (Pakistan and Bangladesh), ITBP (China), SSB (Nepal and Bhutan), Assam Rifles (Myanmar). The LoC in Kashmir, in wartime, comes under the Army even though the BSF is present.
Each border to one lead force: BSF (Pakistan, Bangladesh), ITBP (China), SSB (Nepal, Bhutan), Assam Rifles (Myanmar).