sr. den/north/sbc sec : yelahanka - bangarpet sec : complete track renewal (p) of existing 52 kg rails on 52 kg psc of 1660 nos/km with 60 kg/90 uts rails and 60 kg wider base sleeper at 1660/km for a length of 33 km from km 13/0-46/0 (sl) in aden/ypr sec
