New Delhi: The Central Bureau of Investigation has booked an Indian Army lieutenant colonel and five others in a corruption case which involves taking bribes from private contractors supplying rations and materials to canteens. Apart from the lieutenant colonel, five others have been named as an accused. CBI's FIR which was filed on May 5, named Lieutenant Colonel Abhishek Chandra as an accused who provided undue favours to select contractors after receiving "illegal gratification". Then posted as Station Staff Officer (Contract & Victualling) at Port Blair, Chandra is alleged to have taken bribes from private suppliers in connivance with field officers. "These officers were posted at Base Victualling Yard, Andaman & Nicobar Command, Minnie Bay, Port Blair in the matter of procurement of ration and other items," said the CBI FIR. In March 2018, Chandra started giving undue favours to select companies and in return, he took bribes from them. Investigations also revealed that Kolkata based Rochak Agro Food Products Private Limited was given the contract to supply spices without consulting the Price Negotiation Committee. This was a violation of laid down guidelines. "The information further revealed that Lt. Col Abhishek Chandra for showing the above mentioned favour had demanded and agreed to accept a bribe of Rs. 75,000 from Shubham Choudhary of Rochak Agro Food Products Private Limited, Kolkata in March 2018," said the CBI FIR. The CBI probe further showed Chandra asked for two cheques to be drawn from anyone except the favoured company or in form of gift vouchers from Tanishq showrooms. Bribes were also paid to other individuals so that issue of the late arrival of items by Rochak Agro is not raised at the relevant forum. The CBI has also claimed that on June 6, 2018, Chandra demanded Rs. 3 lakh from another supplier Arasu. When the representative of this form, Mr. Muthu handed him Rs 1 lakh, Chandra refused to take anything less than Rs. 3 lakh. Using his ATM card Muthu gave him Rs 2.5 lakhs. Only last month, the Ministry of Defence gave permission to the CBI to investigate the case against Chandra under the Prevention of Corruption Act.