Prices of fruit and vegetables started to rise in some Indian cities as a nationwide strike by lorry drivers continued for a third day.
Truck operators want cheaper diesel and exemption from road tolls. Talks with the government have broken down.
The BBC reports that most freight in India goes by road and a prolonged strike will further push up costs of essential goods.
Reports say up to six million lorries remain off the roads.
The government threatened to revoke the truckers' licences after talks broke down over the weekend.
Lorry drivers say they have been hit hard by high fuel prices and the economic slowdown.
