Mumbai, May 20 -- HLE Glascoat Ltd, Alkali Metals Ltd, Kwality Pharmaceuticals Ltd and Bharat Immunological & Biological Corporation Ltd are among the other gainers in the BSE's 'B' group today, 20 May 2025.Honda India Power Products Ltd surged 20.00% to Rs 2805.4 at 12:01 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 8268 shares were traded on the counter so far as against the average daily volumes of 1565 shares in the past one month. HLE Glascoat Ltd soared 20.00% to Rs 362.75. The stock was the second biggest gainer in 'B' group. On the BSE, 48657 shares were traded on the counter so far as against the average daily volumes of 4320 shares in the past one month. Alkali Metals Ltd spiked 20.00% to Rs 108.38. ...