Tamil Nadu Chief Minister O. Panneerselvam Saturday announced the government's decision to hike the prices of toned milk by Rs.10 per litre.In a statement issued here, Panneerselvam said in order to meet the increased expenses - milk procurement, among others - the state government has felt the need to increase the prices of milk for monthly card holders.He said the prices of toned milk will be increased by Rs.10 per litre to Rs.34 per litre.However, the statement does not mention about the date from which it will be effective.Panneerselvam also announced the hike in procurement prices of cow's milk by Rs.5 per litre to Rs.28 per litre and buffalo milk by Rs.4 per litre to Rs.35 per litre.He said the revised rates will be paid to the milkmen from Nov 1 onwards.