The core business (excluding residential) reported Q2 revenues of Rs 460 crores up 20 percent YoY. EBITDA stood at Rs 200 crores up 25 percent YoY with EBITDA margins expanding to 1.4 pp to 43.4 percent, according to a company release.The core business (excluding residential) reported Q2 revenues of Rs 460 crores up 20 percent YoY. EBITDA stood at Rs 200 crores up 25 percent YoY with EBITDA margins expanding to 1.4 pp to 43.4 percent, according to a company release.