The auction will be conducted on NSE's 'e-bid' platform from 1530 hours to 1730 hours, after the close of market hours.
The debt auction quota gives overseas investors the right to invest in the debt, up to the limit purchased.
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Consequently, the exchange has decided to conduct an auction for the allocation of unutilised debt limits to the tune of Rs 7,046 crore on September 6.
Besides, a mock bidding session would be conducted today.
In an online auction conducted last month, the government debt securities had attracted bids worth a staggering Rs 10,599 crore from foreign investors as against Rs 9,358 crore on offer.
To boost foreign flow, limit for overseas investors in central government securities has been increased from Rs 1.40 lakh crore to Rs 1.44 lakh crore from July 5.
Earlier, this limit was increased to Rs 1.40 lakh crore from April 4. Prior to that, the limit was Rs 1.35 lakh crore.