(a) Central Monitoring System (CMS)
Although much information does not exist about the program, the government apparently has been running trials in gradual phases. Going by the available information, the Indian government may have been successful in creating India’s version of PRISM program run by the NSA.
(b) DRDO NETRA
(c) National Intelligence Grid (NATGRID)
(d) Lawful Interception and Monitoring Project (LIM)