Kolkata, June 17 -- The Calcutta High Court on Monday gave an interim stay on the West Bengal government's recently issued notifications on the OBC list till July 31.

This order is a big setback for the Mamata government.

A division bench comprising Justice Tapabrata Chakraborty and Justice Raja Sekhar Mantha passed the interim order while hearing petitions challenging the state's classification of communities under the Other Backward Classes (OBC) category.

Judges said that necessary steps should be taken regarding the 66 communities belonging to the OBC category.

In this latest OBC notification there are listed 140 communities. However, OBC certificates issued before 2010 under the 1993 law remain valid for employment and admissions...