Answer : 2. "(CERT-In) Indian Computer Emergency Response Team"
Explanation :

Solution: The Central Government has exempted the Indian Computer Emergency Response Team (CERT-In), the national nodal agency to deal with cyber security threats like hacking and phishing, from the ambit of the Right to Information Act, 2005. The Center has used its powers under sub-section (2) of Section 24 of the RTI Act to exempt CERT-In from the purview of the transparency law. Using those powers, the Center has included CERT-In at serial number 27 in the Second Schedule of the RTI Act.