The government sold 80 billion rupees ($1 billion) of securities, including 40 billion rupees each of 10-year and 5-year notes, the Reserve Bank of India said in a statement on Wednesday. The 10-year bond got priced at a coupon of 7.29 per cent, six basis points lower than the similar maturity sovereign debt, and compared with 7.31 per cent estimate in a Bloomberg survey.