Hyderabad, Dec 21 (ANI): Parliamentary Affairs Minister Venkaiah Naidu on Sunday appealed the opposition parties to let the Rajya Sabha function efficiently. He said that the opposition can debate, discuss, decide and oppose the bills proposed but the obstructions tactics needs to be stopped as it is not in interest of people. Further, talking about the conversion or re-conversion issue, Naidu said that people are getting converted voluntarily and that there is nothing wrong if that is happening. If also said that if in any case, force is being used then the state government will take action and if it fails to do the same, the central government will make a law over the same and this needs cooperation by opposition.