Neeraj Bali Chandigarh, Nov 14 - Jailed Khadoor Sahib MP Amritpal Singh could not attend his grandmother's funeral on Saturday despite being granted one-day custodial parole by a court, after authorities at Assam's Dibrugarh jail cited insufficient time to implement the order, his lawyer said. The family has now postponed the cremation to November 20 and the final prayers to November 22, while Singh's legal team plans to approach the court again on Monday seeking permission for him to attend the revised ceremonies. Advocate Karamvir Singh, representing the parliamentarian, accused the Punjab government of deliberately prolonging the matter and questioned…