The Greater Hyderabad Municipal Corporation (GHMC) recently invalidated over 31,000 birth and death certificates that were issued with no proper investigation, said a report by TNIE quoting GHMC officials. In the report, the officials blamed Mee Seva Centres for the irregularity. As per the report, Mehdipatnam, Charminar and Falaknuma topped the list of circles where such certificates were issued.