( 1 ) Upgradation/ improvement of existing and proposed Rolling In/ Out hut of NAB under the jurisdiction of ADEN/ Nagbhir ( 2 ) Dewatering of LHS at GCF- 36, GCF- 45, GCF- 49, GCF- 62, GCF- 70, GCF- 86, GCF- 91, GCF- 93 & GCF- 129 ( Total 09 Nos. ) in between Gondia- Chandafort section for a period of two years under the jurisdiction of ADEN/ NAB.