The Reserve Bank of India (RBI) has announced fresh purchase auctions of government securities to infuse Rs 80,000 crore.The purchase auctions will be carried out in four tranches of Rs 20,000 crore each in April.RBI aims to ensure orderly liquidity conditions by monitoring evolving liquidity and market conditions.This move follows RBI's earlier liquidity infusion measures, including OMO purchases and dollar-rupee buy/sell swap auctions.