Kanpur: An FIR has been registered at Naubasta police station over an allegedly indecent social media post targeting Vidhan Sabha Speaker Satish Mahana.Complainant Lalji Tiwari, BJP district co-treasurer and a resident of Yashoda Nagar, alleged that a Facebook page named ‘Drishtant News Anoop Gupta’ circulated the post with an objectionable headline and Mahana’s photograph. He said the post used insulting and discord-spreading words against the Speaker, triggering anger among BJP workers.Naubasta police station in charge Bahadur Singh said police were gathering information with the help of the cyber cell to identify the person who circulated the post. Action would be taken based on the facts, he said.