Travel agent withholding money

Hi, I paid one lakh to the travel agent as advance for a European pilgrimage for me and my aged parent. We weren't able to take the trip as my tourist visa was refused and my parent's tourist visa was given. She never wished to go alone. I appealed to the Deputy director of visa for my tourist visa who sent a post one day before the trip date stating that my visa is still rejected. We were reimbursed only 30 k out fo the one lakh paid for the trip that wasn't taken by both of us by the travel agent. Advance amount involved were flights tickets, visa and insurance. Flight tickets reimbursement details were not provided by the airline and they asked us to reach back to the travel agent as it's a group trip where they aren't disclosing the cost detail of the eight airtickets booked for us. Visa and insurance only cost us rs.16 k in total. When we were asked to be present for the VFS visa appointment, none of the submitted document copy were given to us by the travel agent. The travel agent is now withholding the remaining amount stating cancellation charges for a trip that was never taken and have charged 35 k for each party involved when their website and company only states 30 k as advance for booking the trip. Please help in providing the advice to get back the remaining amount