Tender For den/south/sbc sec : proposed extension of br. no. 25 (exg. span 1x11.18 psc slab) at km 14/300-400 near nelamangala (nmga) yard as 1x12.20m psc slab for accommodating proposed track machine siding track in aden/kunigal section. maintenance period is 6 months or one monsoon period whichever is later.