Route relay interlocking work at palwal will be undertaken to link line no. 3 & 4 with existing line no. 1 & 2 so that trains running on line no. 3 & 4 can easily switch to line no 1 & 2 .
Washable apron means facility to wash trains and to fill water in coaches storage tank at the platform itself and thus avoiding the rake to be taken to yard which eventually saves loads of time.