West Bengal health department has constituted a four-member committee to inquire into various complaints against Avik De, first-year general surgery PG trainee (PGT) of Institute of Post Graduate Medical Education and Research (IPGMER) and one of the prominent faces of the notorious 'North Bengal' lobby that is accused of running a health syndicate with an over-arching influence on the functioning of the state health department.He was suspended on Sept 5.