FIIs had pumped in USD 1.2 billion (Rs 6,532 crore) during March, USD 4.57 billion (Rs 24,440 crore) in February and USD 4.05 billion (Rs 22,000 crore) in January.
The slowdown in the month of April is because of a slew of factors such as profit-booking, concerns over high current account deficit (CAD) and political uncertainty.
As per Sebi data, during April 2-26, FIIs were gross buyers of shares worth Rs 54,790 crore, while they sold equities amounting to Rs 50,340 crore, translating into a net investment of Rs 4,450 crore (USD 823 million).
Foreign fund houses also infused Rs 1,586 crore the debt market so far this month. This takes the overall net investments by FIIs into debt markets to Rs 14,330 crore (USD 2.66 billion) in the current calendar year so far.
FIIs bought equities worth USD 24.4 billion in 2012, about USD 5 billion below record purchases two years ago.
As on April 26, the number of registered FIIs in the country stood at 1,766 and total number of sub-accounts were 6,372.