SC questions Delhi govt over granting exemptions, including to 2-and-3 wheelers, during the odd even scheme.
SC says pollution level in Delhi increasing in spite of the odd-even vehicle rotation scheme being in force.
SC says effective steps must be taken and 13 pollution hotspots in Delhi be cleared of pollutants.
SC summons chief secretaries of Punjab, Haryana, UP and Delhi over pollution in Delhi-NCR.
HC says wrong message will be sent to society if bail is granted to Chidambaram in this case.
HC says prima facie allegations against Chidambaram are serious in nature; he played active and key role in offence.