supply of hv panels , hv panels , 6 . 6 kv , 25ka indoor type extension high voltage switchboard ( htp-18 hbpl-haldia-01 ) ( extension of existing l&t make panel ) complete with all accessories as per technical specifications , data sheet and equipment details - ( consisting of 4 motor sync bypass feeders , 3 nos . vfd outgoing feeders , 1nos . of bus pt and 01 marshalling panel as indicated in datasheet & equipment details attachment- 2a , 3a ) , 6 . 6 kv , 40 ka indoor type high voltage switchboard ( htp-18 hbpl-barauni-01 ) complete with all accessories as per technical specifications , datasheet and equipment details - ( consisting of 2 main incomers , 3 motor outgoing feeders , 2nos . transformer outgoing feeders , 1 no of bus coupler , 2 nos . of bus pt and 1 marshalling panel as indicated in datasheet & equipment details attachment- 2b , 3b ) , complete set of spares for 6 . 6 kv , 25 ka , ht switchboard ( htp-18 hbpl-haldia-01 ) as per technical specifications , complete set of spares for 6 . 6 kv , 40 ka , ht switchboard ( htp-18 hbpl-barauni-01 ) as per technical specifications , supervision charges , supervision charges for erection and commissioining of ht panels