Rail Vikas Nigam Limited announced that it has received LOA for "Provision of Automatic Block Signaling with Dual MSDAC, EI/OC Interface and Block Optimization in TADUKU (TDK)- RENIGUNTA (RU) section and Replacement of EI/RRI at TADUKU (TDK), PUDI (PUDI) & SRI VENKATA PERUMAL RAJU PURAM (SVF) Stations of CHENNAI (MAS) Division in Southern Railway (Reach-III). The project cost is INR 389,741,412.65 /-(including GST). Time period by which the order(s)/contract(s) is to be executed by 15 months.