The police registered two cases against Tamil Nadu BJP president K. Annamalai, party functionaries and cadre for various offences, including unlawful assembly, for their alleged election campaigning at Ondipudur in Coimbatore post 10 p.m. on Sunday. The Singanallur police registered a case against Mr. Annamalai, party functionaries R. Doraisamy alias ‘Challenger’ Durai, Vijayakumar, Chidambaram and BJP cadre, based on the …