New Delhi, Sept. 8 -- Costs of home-cooked vegetarian and non-vegetarian thalis declined 7% and 8% year-on-year in August, respectively, in line with moderate commodity prices, according to Crisil Intelligence's latest Roti Rice Rate (RRR) report.

The decline in the cost of vegetarian thali was led by a sharp drop in the prices of onions, potatoes, and pulses.

Prices of potato and onion, according to the report, declined 31% and 37% year-on-year, respectively, on a high base.

"In the year-ago period, potato production had shrunk 5-7% due to blight infestation and weather changes, pushing up the prices. This year the production is estimated to be 3-5% higher. For onion, an 18-20% rise in annual production has led to a fall in prices thi...