Mumbai, Oct. 22 -- eMudhra Ltd, Tinna Rubber & Infrastructure Ltd, Om Power Transmission Ltd and N K Industries Ltd are among the other losers in the BSE's 'B' group today, 22 October 2026.DSJ Keep Learning Ltd lost 20.00% to Rs 1.4 at 14:30 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 1.63 lakh shares were traded on the counter so far as against the average daily volumes of 8490 shares in the past one month.eMudhra Ltd crashed 19.24% to Rs 348.5. The stock was the second biggest loser in 'B' group.On the BSE, 5.87 lakh shares were traded on the counter so far as against the average daily volumes of 34583 shares in the past one month.Tinna Rubber & Infrastructure Ltd tumbled 11.43% to Rs 775.5. The stock was the ...