Nagpur-Based Firm Alleges Rs 14.55-Crore Tender Fraud Involving Tripura IAS Officer Abhishek Chandra, Agartala’s NCC Police Register Case. Nagpur-Based Firm Alleges Rs 14.55-Crore Tender Fraud Involving Tripura IAS Officer Abhishek Chandra, Agartala’s NCC Police Register Case - Reported for Nagpur by TRIPURAINFO.