Mumbai, Feb 28: Indian stock markets witnessed a sharp decline in early trade on Friday, echoing a global sell-off triggered by the latest US tariff hike on Chinese imports. The 30-share BSE Sensex plummeted 790.87 points to 73,821.56, while the NSE Nifty tumbled 231.15 points to 22,313.90, as investor sentiment remained jittery.Among the worst-hit stocks in the Sensex pack were IndusInd Bank, Mahindra & Mahindra, Tech Mahindra, HCL Tech, Infosys, Tata Steel, Tata Motors, and Maruti...