MUMBAI : India's largest institutional investor, Life Insurance Corp. of India (LIC) has booked a whopping Rs37,000 crore profit from share sales in fiscal 2021, the highest ever profit booked by LIC in its 65-year history of operations.During the fiscal 2021, LIC also purchased shares amounting to Rs94,000 crore, which, too, is the highest ever equity purchase by LIC in its history.“We booked maximum profit by churning equity portfolio depending on available opportunities and also to maintain long-term high performing portfolio.