NSA /CIA are openly involved in hacking the computers of some indian citizens, like the domain investor. While most books on R&AW do not provide much information, Permanent record by Edward Snowden describes CIA, NSA very well.
It is a very entertaining description of how NSA, CIA works
Though a lot has changed in the last 7 years, few can match the book for its excellent description of cia case officers
High recommended for citizens who do not have any kind of intelligence background, yet are monitored by intelligence agencies worldwide