KATHMANDU, May 30: The Commission for the Investigation of Abuse of Authority (CIAA) has filed a charge sheet against Shashi Bhushan Kumar Yadav, a senior inspector working at the Nepal Bureau of Standards and Metrology, Birgunj.

Nepal Bureau of Standards and Metrology (NBSM) has taken action against nearly 8,000 traders in eight months of the current fiscal year, who were found to be cheating unsuspecting consumers by tampering with weighing instruments.