The correct answer is A and C.Adarsh Housing scam:The Adarsh Housing Society, a 31-storey building in Colaba, Mumbai, which was supposed to be a six-storey structure only to house war widows and heroes of the 1999 Kargil War.This came to know after RTI file by activists Simpreet Singh and Yogacharya Anandji.Coal blocks scam:In a Right to Information (RTI) the coal ministry had said that the files relating to all coal block allocations from 1994-2012 were with the Central Bureau of Investigation (CBI). The ministry's reply to the RTI query filed by NGO Greenpeace, the government has been saying that some of the files before 2004 went missing.In this many coal blocks were allocated to illegal firms.Additional InformationThe Right To Information (RTI) Act came into effect in the year 2005.Only citizens of India have the right to seek information under the provisions of Right to Information Act, 2005.Subject to the provisions of the Act, the citizens of India could file the online application under the RTI Act, 2005.Non-Resident Indians can file Right to Information (RTI) applications to seek governance-related information from the Central government departments.