India, Aug. 25 -- Sugar prices rose nearly 30% in a month, from Rs 48.73 per kg on July 24 to Rs 63.05 per kg on August 24, according to government price data.

The rise has renewed focus on the Reserve Bank of India's warning that repeated weather shocks can make food inflation more persistent.

The government has linked the price increase partly to excess rainfall, waterlogging and crop disease affecting sugarcane production.

Officials have also cited festive demand, tighter global supplies and speculative stocking, while saying India has adequate sugar stocks until the new crushing season begins in October.

Sugar prices have risen nearly 30 per cent in a month, putting a fresh spotlight on a risk the Reserve Bank of India has repeate...