Dc of twin tunnel by shield tbm, cut and cover tb, underground ramp and four underground and balance work of nk station with entry/exits including retrieval/ls, af, ws..si and dw..of inderlok-indraprastha corridor of delhi mrts project of phase-iv.

Overhauling of different types of couplers (front automatic coupler and semi permanent coupler with or without damper) of caf stock metro trains of dmrc at dwarka depot.

Hiring the services of one number brand new mahindra bolero b4 with ac, 7 seater, diesel driven bs vi model or equivalent for use in row patrolling of mainline from plkm0.0 to plkm34.0 and branch line from plkm0.0 to plkm38.0 under pump station 1 jurisdiction for a period of 4 years