"Key to reinvigorating growth is accelerating investment by creating a conducive environment for private investment, improving project clearance and implementation and leveraging on the crowding-in role of public investment," RBI Governor D Subbarao said in the mid-quarter monetary policy review.
The continuing weakness in manufacturing activity needs to be urgently reversed, he added.
The growth of industrial production decelerated to 2.3 per cent in April after picking up in the preceding month.
"The sharp weakening in the growth of capital goods production points to still damped investment demand whereas a pick-up in consumer non-durables could be indicative of a fragile return of consumer confidence," the RBI said.
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On the domestic front, RBI said, the last year's robust rabi production and the current monsoon performance so far augur well for growth prospects.
It further said the spatial and temporal distribution of rainfall over the next three months "will be crucial in determining the performance of agriculture". The onset of the south-west monsoon has been strong and on time.
The newly set up Cabinet Committee on Investment (CCI) has cleared several large investment projects.