RVNL receives LoA for ABS works for Jakhapura-Nergundi, Khurda Road-Bhusandpur-Golanthara rail sections in Odisha July 16, 2024 | Awarded, Project Updates Rail Vikas Nigam Limited (RVNL) received the Letter of Acceptance (LoA) for a contract worth Rs 1,600.85 million for provision of Automatic Block Signalling (ABS).. This content is restricted.