Corporate earnings for quarter ended March 2023 and full financial year 2022-23 are in full swing with country's top companies declaring their earnings. March quarter earnings' season for Nifty 50 companies began with Tata Consultancy Services (TCS) declaring its earnings on April 13. Infosys, Wipro, Tech Mahindra, Reliance Industries, HDFC Bank, ICICI Bank, Kotak Mahindra Bank and Maruti Suzuki have already declared their March quarter results.