Besides, food index rose from 5.99 per cent in May to 6.67 per cent in June.
The maximum upward pressure to change in the index came from food group contributing 2.35 per cent.
However, the increase was restricted by fall in prices of rice, mango, lemon, sugar, electricity, which put downward pressure on the index, Labour Bureau sources said.
Quilon registered highest increase of 15 points, followed by Godavarikhani (9 points) and Raniganj (7 points).
Four centres registered increase of six points, nine centres recorded increase of five points while in eleven centres the increase was four points.