Mumbai, June 19 -- Biocon Ltd, Hitachi Energy India Ltd, Indigo Paints Ltd and Ramkrishna Forgings Ltd are among the other gainers in the BSE's 'A' group today, 19 June 2025.Restaurant Brands Asia Ltd surged 7.39% to Rs 81.28 at 11:46 IST. The stock was the biggest gainer in the BSE's 'A' group. On the BSE, 3.01 lakh shares were traded on the counter so far as against the average daily volumes of 74975 shares in the past one month. Biocon Ltd soared 2.44% to Rs 350.5. The stock was the second biggest gainer in 'A' group. On the BSE, 1.98 lakh shares were traded on the counter so far as against the average daily volumes of 1.42 lakh shares in the past one month. Hitachi Energy India Ltd spiked 2.37% to Rs 18904.95. The stock was the third ...