Indian equity benchmarks BSE Sensex and NSE Nifty50 are likely to start Friday's session higher tracking gains across global markets, though caution persisted over aggressive hikes in COVID-era interest rates and their impact on economic growth. Singapore Exchange (SGX) Nifty futures — an early indicator of the Nifty index — rose as much as 112.5 points or 0.7 percent to 15,677.