HFCL Ltd, India Tourism Development Corporation Ltd, Reliance Power Ltd and Trident Ltd are among the other gainers in the BSE's 'A' group today, 11 May 2021. HFCL Ltd, India Tourism Development Corporation Ltd, Reliance Power Ltd and Trident Ltd are among the other gainers in the BSE's 'A' group today, 11 May 2021. Praj Industries Ltd soared 12.47% to Rs 344.2 at 11:49 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 7.32 lakh shares were traded on the counter so far as against the average daily volumes of 5.6 lakh shares in the past one month. HFCL Ltd surged 11.66% to Rs 38.3. The stock was the second biggest gainer in 'A' group. On the BSE, 34.05 lakh shares were traded on the counter so far as against the average daily volumes of 16.99 lakh shares in the past one month.