▁by ▁Prime ▁Minister ▁of ▁India ▁At al ▁Bi h ari ▁V aj pay ee ▁and ▁was ▁completed ▁in ▁ 2 0 1 2 . ▁It ▁is ▁part ▁of ▁the ▁first ▁phase ▁of ▁the ▁National ▁High ways ▁Development ▁Project ▁( N H DP ) ▁and ▁consisted ▁of ▁building ▁ ▁four / six ▁l ane ▁express ▁high ways ▁at ▁a ▁cost ▁of ▁. ▁ ▁North – S outh ▁and ▁East – West ▁Cor rid or ▁The ▁North – S outh ▁and ▁East – West ▁Cor rid or ▁is ▁part ▁of ▁the ▁second ▁phase ▁of ▁the ▁National ▁High ways ▁Development ▁Project ▁( N H DP ) ▁and ▁consists ▁of ▁building ▁ ▁of ▁four / six ▁l ane ▁express ways ▁connecting ▁S rin agar ▁in ▁the ▁north ▁and ▁K any ak um ari ▁in ▁the ▁south , ▁Por band ar ▁in ▁the ▁west ▁and ▁Sil char ▁in ▁the ▁east , ▁at ▁a ▁cost ▁of ▁US $ 1 2 . 3 1 7 ▁billion ▁( at ▁ 1 9 9 9 ▁prices ). ▁ ▁National - Green - High way - M ission ▁ ▁The ▁Ministry ▁of ▁Road ▁Transport ▁and ▁High ways ▁( Mo R TH ), ▁Government ▁of ▁India ▁has ▁prom ul g ated ▁Green ▁High ways ▁( Pl ant ations , ▁Trans plant ations , ▁Beaut ification , ▁and ▁Main ten ance ) ▁Policy ▁– ▁ 2 0 1 5 ▁on ▁ 2 9 ▁September ▁ 2 0 1 5 ▁to ▁develop ▁green ▁cor rid ors ▁along ▁National ▁High ways ▁for ▁sust ain able ▁environment ▁and