New Delhi: All India Majlis-E-Ittehadul Muslimeen (AIMIM) chief Asaduddin Owaisi on Wednesday labelled the Special Intensive Revision (SIR) exercise being carried out by the Election Commission of India (ECI) in Bihar ahead of the upcoming assembly polls as “backdoor NRC (National Register of Citizens)”. He said that the “intensive revision” of the voter list in.