Multiple bank loans availed by a known person on my Ids:

I had a partnership firm with my friends from which I exited on 16th Aug 2018. I have the dissolution deed of the same with me (signed by the notary). A few days ago, I checked my CIBIL credit report and found out that 3 business loans and 2 personal loans are active on my pan card of different banks and the status is showing as Joint. The loan disbursement date on most of them is 30th Aug 2018 i.e after the date of dissolution deed. I went to check for one of the loans details at bank branch nearby and got to know that the loan is active and disbursed on the name of the partnership firm but they refused to share any more information. I tried at other banks too but no one is sharing any documents related to the loans with me. Since I had never signed on the application forms of these loan ever, I wish to check the loan application files. Please let me know how can I do that and If my signatures are bogus (done deliberately by someone else), then what is the legal action I can take