Correct option is C
IDSP stands for Integrated Disease Surveillance Programme. It was launched by the Government of India to detect and respond to disease outbreaks quickly. The program strengthens disease surveillance for epidemic-prone diseases and aims at building a decentralized system for timely and accurate information collection.
Explanation of options: (a) ✘ Integrated Death Surveillance Project – Not a recognized health program. (b) ✘ Integrated Diarrhoea Surveillance Project – Too narrow in scope; not the actual expansion. (c) ✔ Integrated Disease Surveillance Programme – Correct; focuses on epidemic disease tracking. (d) ✘ Integrated Diarrhoea Screening Programme – Again, incorrect and not an official health scheme.