carrying out survey , geotechnical investigation and preparation of gad , getting it approved from railways , detailed designing , working drawings , detailed estimates with boq , modifications and site visits during construction ( if required ) , feasibility study , and if feasible then preparation of gads , detailed designing , working drawings , detailed estimate , boq , including required modifications during construction for design and feasibility study for construction ( if required ) for construction of 4-lane rob on level crossing no . 29 spl on rohtak-panipat railway line ( on gohana-meham-bhiwani road ) in gohana city , distt . sonipat . , cost benefit analysis including eirr and firr . , preparation of initial environmental examination ( iee ) report . , preparation of short resettlement plan ( srp ) report .