RVNL receives LoA for Upgradation of Electric Traction System in Rajkhaswan-Nayagarh-Bolani Rail Section Project July 25, 2024 | Awarded, Project Updates Rail Vikas Nigam Limited (RVNL) received Letter of Acceptance (LoA) for a contract worth Rs 1,915.37 million for design, supply, erection, testing.. This content is restricted.