One of mu customer is taken the vat and cot but he is not doing busines in cot from april 2014 onwards before he is paid every month Rs.10000 for cot. some few days back i am consulting the vat officer to close the cot but he is not agreed to close. because from april 2014 on wards to tilldate he is asking liability of fees per month rs.10000and penalty. i am explained the business is not running from april onwards but he not agreed. how to i am go for next step and he is not activated monthly returns and cst activation. please tell me anybody for other next proceedings.