Cheque Bounce (A/c blocked situation covered in 2125), Amount not refunded.

Happy Afternoon Everyone ;-) In June' 22 - Got a call from one of the real estate developers stating they are launching new venture, and requested my parents to visit the site, which they did. They handed over one of the receipt to my parents and took picture, stating pay whenever you have money, we're offering at the lowest price (Even though my parents denied). Within next 5 days, they (Both partners of the company) visited my house, and asked for the receipt amount. Dad said, as informed earlier, we don't have any amount. They waited for 3 hrs, and forced dad to give the receipt amount, balance amount can be paid any time. However, they collected full amount by 2nd week of Nov' 22. Once dad started asking for the registration documents, they started telling one or the other story, and passed the time till Feb' 23. Since, Mar'23 - I started asking the same. They confirmed, there is a problem in the venture, we're not registering any plot in that venture. We asked to refund our amount, and they gave 3 cheques & they offfered another plot, which is irregular in shape, after multiple thoughts, parents agreed for registration. They started ignoring us, without picking calls, and no reply for our text messages. Updated them, and we presented 3 cheques, and all 3 cheques are bounced with the reason: "Account blocked situation covered in 2125". We spoke to them, and gave some time, and final chance to refund full amount, which they didn't utilized. Please suggest, how to proceed with the legal procedure & what all cases can be filed against the company, and both the persons. Note: I only have below, 1. 3 Cheque's & the memo's 2. 3 Original Receipts, which confirms total amount paid. (Including 2 cheques given to them). Apprecite your help. Thank you!