"12 major cities to switch over to single window integrated online building permission system: Hyderabad, Kolkata, Ahmedabad, Lucknow.
"Guwahati, Bangalore & HAL Bangalore, Amritsar, Chennai, Nagpur, Jaipur, Aurangabad and Patna. This will be achieved by 2nd October, 2016," the Union Urban Development Minister tweeted.
These cities join Delhi and Mumbai where all construction permits would be granted only through online mechanism from October 2 onwards.