Important Instructions for Biddders: w.e.f 01.01. 2013 class 3 digital Signature Certificate will be mandatory to participate in THDCIL Tender. It is requested to procure class 3 digital signature and get updated in your profile. Department shall not be liable for any consequences resulting due to non adherence to these instruction for any query related to Digital Signature Certification. THDC has introduced E-payment Registration, Now all the Bidder can register online through netbanking of PNB, Credit Card, Debit Card (Master and VISA card only). For Further credit details contact at Helpdesk No. 09675044023 or 09760486249. SMS facility is available for all the activities e-tendering for further information please contact Helpdesk Mob. 09675044023 or 0976048249. Tender wizard id compatible for IE version 6, 7, 8, compatibility for IE version 9 is under testing. Kindly contact e- tendering helpdesk no 01149424365.