PATNA, Oct. 24 -- RJD MP from Buxar Sudhakar Singh on Thursday questioned the authenticity and legal validity of a Rs.5 crore defamation notice served on him by IPS officer Kundan Krishnan, director general of the special task force, officials said. Days after approaching Lok Sabha speaker Om Birla for his intervention, Singh, also a former agriculture minister, directed his counsel to demand specific clarifications from Krishnan's lawyers before replying to his defamation notice. His lawyer, Sumit Singh, has noted various procedural flaws and gaps in the notice and advised the other side to rectify the deficiencies and issue a revised notice with authorisation. In a detailed post on social media X on Friday, Singh underlined what he described as basic legal and technical errors that he found surprising coming from a senior IPS officer. According to the post, Krishnan has been asked to clarify if a private law firm had got the authority to invoke Bihar government actions and appear to take up the matter on behalf of the state in a personal defamation matter involving Krishnan alone. The MP's legal notice also sought to know from the IPS officer if the advocate acting solely as Krishnan's private counsel or as an official legal representative of the Bihar government, and if the latter, has formal authorisation and vakalatnama been obtained. "I will give a reply to the defamation notice once I have verified its authenticity," Singh said. The notice sought an unconditional public apology within 15 days for the remarks Singh allegedly made at a press conference in June on the death of Bharat Bhushan Tiwari after an alleged police encounter at Bilauti village in Bhojpur district. Krishnan said that there was no restriction in sending a legal notice to a sitting MP....