The stock gave multibagger returns of 187 per cent in just 1 year and a whopping 800 per cent in 3 years. Rail Vikas Nigam Ltd (RVNL), along with its joint venture partner KRDCL, has emerged as the lowest bidder for orders totalling Rs 678,05,61,753 from Southern Railway. The larger project is the redevelopment of Thiruvananthapuram Central Railway Station on Engineering, Procurement.