▁Board ▁for ▁Wild life ▁( NB W L ) ▁in ▁January ▁ 2 0 1 9 ▁to ▁carry ▁out ▁construction ▁in ▁and ▁around ▁wild life ▁areas . ▁The ▁Board ▁required ▁the ▁N HS RC ▁to ▁create ▁safe ▁pass ages ▁for ▁animals ▁to ▁pass ▁through ▁before ▁beginning ▁construction , ▁and ▁to ▁ere ct ▁noise ▁bar riers ▁and ▁f encing ▁to ▁prevent ▁any ▁disturb ance ▁to ▁wild life ▁during ▁construction . ▁ ▁The ▁project ▁received ▁conditional ▁clear ance ▁to ▁cut ▁down ▁ 5 3 , 4 6 7 ▁mang ro ve ▁trees ▁spread ▁over ▁an ▁area ▁of ▁ 1 3 . 3 6 ▁hect ares ▁from ▁the ▁expert ▁app rais al ▁committee ▁( E AC ) ▁on ▁Coast al ▁Reg ulation ▁Zone ▁( CR Z ) ▁projects ▁of ▁the ▁Union ▁Ministry ▁of ▁Environment ▁and ▁For ests ▁on ▁ 1 8 ▁March ▁ 2 0 1 9 . ▁The ▁Ministry ▁required ▁the ▁N H SR CL ▁to ▁obtain ▁appro val ▁from ▁the ▁Bomb ay ▁High ▁Court ▁and ▁clear ance ▁from ▁the ▁D ah anu ▁Tal uka ▁Environment ▁Prote ction ▁Author ity . ▁The ▁N H SC RL ▁is ▁also ▁required ▁to ▁conduct ▁a ▁study ▁on ▁the ▁impact ▁of ▁the ▁v ibr ations ▁from ▁the ▁trains ▁on ▁the ▁birds ▁and ▁mud fl ats ▁in ▁the ▁Th ane ▁Creek ▁Fl aming o ▁San ctu ary . ▁The ▁N H SR CL ▁approached ▁the ▁Bomb ay ▁High ▁Court ▁for ▁appro val ▁on ▁ 8 ▁April ▁ 2 0 1 9 . ▁The ▁N H SR CL ▁announced ▁in ▁June