Mumbai, Sept. 28 -- Tamil Nadu Telecommunications Ltd, JHS Svendgaard Retail Ventures Ltd, Landsmill Green Limited and SMC Global Securities Ltd are among the other gainers in the BSE's 'B' group today, 28 September 2026.RTS Power Corporation Ltd soared 20.00% to Rs 125.54 at 11:59 IST. The stock was the biggest gainer in the BSE's 'B' group. On the BSE, 31379 shares were traded on the counter so far as against the average daily volumes of 4250 shares in the past one month. Tamil Nadu Telecommunications Ltd surged 19.98% to Rs 11.95. The stock was the second biggest gainer in 'B' group. On the BSE, 83244 shares were traded on the counter so far as against the average daily volumes of 6794 shares in the past one month. JHS Svendgaard Retai...