BHOPAL: MLA KP Singh on Thursday raised the issue of ISI spy ring busted in Bhopal during the Zero Hour in the Vidhan Sabha and demanded a discussion on it. He claimed that as BJP workers’ involvement in the ring has been established, the police were trying to hush-up the entire case. Replying to Singh’s demand, parliamentary affairs minister Narottam Mishra said that the government was ready for a discussion on the issue.