FPIs invested over Rs 4,000 crore in the debt market. Prior to this, foreign investors put in Rs 13,602 crore in March, Rs 22,419 crore in February and Rs 19,836 crore in January. FPIs invested over Rs 4,000 crore in the debt market. Prior to this, foreign investors put in Rs 13,602 crore in March, Rs 22,419 crore in February and Rs 19,836 crore in January. Zee News :Business