Pre-Bid Tie Up Of 400Kv Transformer Package Tr-40T For 5X500 Mva, 400/220/33Kv, 3-Ph Ict At Mandsaur Associated With Transmission System For Evacuation Of Power From Rajasthan Rez Ph-Iv (Part-2: 5.5Gw) (Jaisalmer/Barmer Complex) Part-C Through Tbcb Route Prior To Rfp Bid Submission By Powergrid To Bpc. (EXPIRED)