This video explains how to fill Standard bidding document for single stage single envelope less than 2 crore (i.e. less than 20 Million) tender.
Bid data sheet (BDS)
Standard conditions of contract (SCC)
Bidding forms
Contract forms

Also covers
bid document fee
pre bid meeting
bid validity period
advance payment and advance payment deduction percentage
performance bond calculation formula
Defect liability period (DLP)