The Research and Analysis Wing (R&AW) is the foreign intelligence agency of India. The agency's primary function is gathering foreign intelligence, counter-terrorism, counter-proliferation, advising Indian policymakers, and advancing India's foreign strategic interests. It is also involved in the security of India's nuclear programme.

Rameshwar Nath Kao was an Indian spymaster and the first chief of India's external intelligence agency, the Research and Analysis Wing (R&AW) from its founding in 1968 to 1977. Kao was one of India's foremost intelligence officers, and helped build R&AW.