This document is an indenture for secured advances between a contractor and the President of India. It outlines the terms for advances provided to the contractor for materials to be used in construction.Access Requests, Annual Exceptions Applications, Cardholder Agreements, Miscellaneous Forms, Request Forms available through the: Online Application. FORM 31 INDENTURE FOR SECURED ADVANCES Ccamoud.nic. FORM 31 INDENTURE FOR SECURED ADVANCES Ccamoud.nic. This book of "General Conditions of Contract" is applicable to both types of tenders i.e. "Percentage rate tenders and Item rate tenders".