Mumbai, Oct. 30 -- NIIT Learning Systems Ltd, Century Extrusions Ltd Partly Paidup, TTK Healthcare Ltd and Suratwwala Business Group Ltd are among the other losers in the BSE's 'B' group today, 30 October 2026.Shankara Buildpro Ltd lost 19.99% to Rs 175.5 at 14:30 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 1.31 lakh shares were traded on the counter so far as against the average daily volumes of 17714 shares in the past one month.NIIT Learning Systems Ltd crashed 16.67% to Rs 157.5. The stock was the second biggest loser in 'B' group.On the BSE, 67457 shares were traded on the counter so far as against the average daily volumes of 9371 shares in the past one month.Century Extrusions Ltd Partly Paidup tumbled 15...