consultancy services for feasibility assessment and preparation of dpr for 4 lanning of road from bilaspur ( gurugram district ) to kulana ( jhajjar district ) rd km 71 . 00 to km 96 . 00 ( upto nh-352 ) including provision of flyover in pataudi city . . . . . . . . . . , consultancy services for feasibility assessment and preparation of dpr for 4 lanning of road from bilaspur ( gurugram district ) to kulana ( jhajjar district ) rd km 71 . 00 to km 96 . 00 ( upto nh-352 ) including provision of flyover in pataudi city and 4-lanning of existing 2-lane rob at railway x-ing no . 45a at haily mandi in gurugram district ( i ) detailed designing , working drawings , gad , detailed estimate , boq , including required modifications during construction for design ( ii ) cost benefit analysis including eirr , firr , esms etc . ( iii ) preparation of initial environmental examination ( iee/eia ) report . ( iv ) road safety audit through the road safety auditor ( separate from design team ) ( v ) proof checking .