First of all this is not New Delhi Guwahati but it's 12423 Guwahati New Delhi Rajdhani Exp...Location is 1/7 km before mid-point of Saraighat Bridge i.e., around 2 km from Kamakhya Jn towards Rangiya....The track which is visible on the right is just for shunting purpose so that the trains from KYQ Coaching Complex when shunted back to PF doesnt hamper the main Line traffic...The pic is taken few years back when the yard remodelling for KYQ was going on...