The volumes were much higher.. Here's the data listing from Sharekhan's TT.
TP,
if the trading terminal's data is correct - lot size in NHPC is 12000 - so 1 lot = 12000 and when u breakup the lot size in stock nos - the vol will show higher. we have to take it in lot size then it comes down to 4 lot where u marked in the 2 image and 11 lot is 1st image and total 35 lot combined both images