pledging itself is illegal your company is liable for this..........

R.S.K.Singh

see for similar case

https://www.lawyersclubindia.com/forum/Holding-educational-certificates-by-a-software-company-75769.asp#.VDCYQ1eO5G0

repeated

https://www.lawyersclubindia.com/forum/Dupilcate-10th-and-12th-mark-sheets--109977.asp#.VDCYp1eO5G0

Other threads by the querist:

https://www.lawyersclubindia.com/forum/Pledged-my-educational-certificates-how-to-get-it-back--109483.asp#.VC-T3WeSwb8

https://www.lawyersclubindia.com/forum/Dupilcate-10th-and-12th-mark-sheets--109977.asp#.VC-T_meSwb8

Coimbatore is a good city and you can find good Lawyers/Law firms………………………….

Your near and dear ones, colleagues, employee’s unions/Trade Unions leaders-members/Dist. Bar Association in each city maintains website and it Members-office bearers, lawyers known to you……….. etc………. can help you……………………….

Or you can visit the Court Complex and find out.

If you wish to use thru LCI databank you can conduct search at:

https://www.lawyersclubindia.com/lawyers_search/#.VC-TNmeSwb8

Needless to mention you shall have to settle  T&C with your lawyer on your own.