The petitioners herein are the tenants. The respondents herein who are the owners of the petition schedule premises, filed R.C. No. 373 of 2009 before III Additional Rent Controller, City Civil Court, Hyderabad seeking fixation of fair rent for the petition schedule mulgi/shop, and during its pendency, the respondents filed the present application in I.A. No. 433 of 2010 under Order 6 Rule 17 read with Section 151 CPC, seeking to permit them to amend the main R.C. by adding “the lease period mentioned in the lease deed dated 27.08.1990 has been expired on 31.07.2010” in paragraph 8 of the petition and “the cause of action also arose on 01.08.2010 when the lease period expired” in paragraph 10 of the petition, and the same was allowed. Being aggrieved by the order, dated 23.09.2010, the petitioners-tenants have filed the present Civil Revision.