This contract also includes construction of a double decker alignment of 1.2 km length for BSRP Corridor-1 and Corridor-4 near Yelahanka, construction of a BSRP elevated viaduct of length 500 m below BMRCL (Bangalore Metro Rail Corporation Limited) viaduct near Benniganahalli, duly sharing right of way between BSRP and BMRCL. This is first of its kind in India, it said.