Toubro Holding Limited — No idea how to claim Maturity amounts

Address:

Siliguri

Sir,
I have fixed 300 No of shares in TOUBRO HOLDING Limited Registered office Sector 9D Chandigarh, India at 3rd January 2005. Redemption date will be over but I have not found any office Address for redeem it. Where do I Submit it for redeem my share. I belongs to West Bengal, Jalpaiguri district.
Please Help me Sir.
My e-mail address somra.[protected]@gmail.com

Thanks