Benchmark 10-year bond yields hit a 13-month peak as bond traders priced in more aggressive monetary easing next year.
The rate of price rise in vegetables stood at 15.15 per cent in August as against 16.88 per cent in the previous month.
CPI inflation could fall marginally but stay above RBI's comfort level.
Based on the evidence at hand, Modi's goal of scripting a broader, lasting upturn appears some way off, says Rajesh Kumar Singh.
A Reuters poll had forecast retail inflation would edge up to 8.48 per cent from 8.31 per cent in March.
Analysts polled by Reuters had forecast a contraction of 1.5 per cent in output.
Analysts polled by Reuters had forecast an annual growth of 0.9 per cent in output.
In November, wholesale prices, India's main inflation measure, rose 7.52 percent, their fastest pace in 14 months.
Food prices for consumers last month rose 12.16 per cent from a year earlier, slower than November's 14.72 per cent rise.