Mumbai, Sept. 17 -- Mangal Electrical Industries Ltd, N K Industries Ltd, R&B Denims Ltd and Sarveshwar Foods Ltd are among the other losers in the BSE's 'B' group today, 17 September 2025.Nagreeka Exports Ltd lost 9.02% to Rs 36.19 at 14:32 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 52402 shares were traded on the counter so far as against the average daily volumes of 21409 shares in the past one month.Mangal Electrical Industries Ltd tumbled 8.10% to Rs 495. The stock was the second biggest loser in 'B' group.On the BSE, 2.38 lakh shares were traded on the counter so far as against the average daily volumes of 1.07 lakh shares in the past one month.N K Industries Ltd crashed 6.17% to Rs 76.8. The stock was th...