Inter-Services Intelligence activities in India

The Inter-Services Intelligence (ISI), intelligence agency of Pakistan has been involved in running military intelligence programs in India, with one of the subsections of its Joint Intelligence Bureau (JIB) department devoted to perform various operations in India. The Joint Signal Intelligence Bureau (JSIB) department has also been involved in providing communications support to Pakistani agents operating in Indian-administered Kashmir.

Source: Wikipedia — Inter-Services Intelligence activities in India (CC BY-SA 4.0)