This is the NEWEST Devolopement after the RRI work at SRC on March 23-25th 2013.
Burgendy colour:
This line was not present here.It was there onto a bit LEFT where the the Sleepers are kept.This line connects Platform 6 of SRC to shalimar line for taking Express trains towards Shalimar from KGP side without using ACC connector.
Orange Colour:
The...
more... NEW 4th line which is Totally ready from RMJ - SRC portion will connect alternatively to P-2.previously all EMU trains using Main line used to use LINE which is 3rd from the right side.Now a train can directly enter P-2 where express trains departing from howrah can move freely till SRC while EMU's will use this 4th line to enter SRC.
One can see SRC P-1 on the left side.
BLUE Colour:
This is the Junction point the SHM changeover takes onto 4th line as well as to enter SRC down line side and vice versa.
Pic Taken from my Nokia N73 3.2MP