Delhi Environment Minister Gopal Rai on November 13 said that Odd-Even scheme will be the last major step taken by the Government after taking advice from the experts. “Odd-Even is the last major step for reducing the pollution from air of Delhi, the government decides this step after taking advice from the experts. Meanwhile, we are trying to increase the frequency of Delhi Metro and public buses for which we have given direction. On Monday, we have a meeting with Transport Department and Delhi Metro Rail Corporation Limited (DMRC) at secretariat,” said Gopal Rai.