New Delhi, August 30 (IANS) The Supreme Court was informed on Wednesday the deadline for linking Aadhaar to various government schemes for benefits will be extended till December 31. A bench of Chief Justice Dipak Misra, Justice Amitava Roy and Justice A.M. Khanwilkar said the challenge to the constitutional validity of the Aadhaar scheme would be heard in the first week of November. Attorney General K.K. Venugopal told the court that the existing deadline of September 30 would be extended by three months. Venugopal made the statement after senior counsel Shyam Divan, appearing for a batch of petitioners, said that if government was inclined to extend the deadline, then the matter could be heard in November.