Lookout notices have been issued against Zubeen Garg's manager Siddharth Sharma and North East India Festival organiser Shyamkanu Mahanta in the singer’s death case, Assam CM Himanta Biswa Sarma said. They must come to Guwahati and make their statements on October 6, he stated. Sarma added that police will intensify a search operation for them if they fail to comply.