Fraud case filed by Amul Distributor What can I do

Hi, This is in concern that my father do a job in M/s Deep Enterprises an amul distributor in faridabad. After around 1.5 years amul distributor files a complaint that my father did a fraud of rupees 8.29 lacs with them in their sales as my father was in sales department. Distributors maintain a local register in which they mention their daily sales like how much product have been dispatched, how much cash have been collected from shopkeepers and how much have been in balance. My father deposited cash on daily basis and tally the whole amount to the owner and if some amount remains balance the