Which are the grounds for condonation of delay

Bona Fide Mistake of Counsel, Clerk, Misreading a Court Judgement/order, miscalucation (bona fide), accident, physical inability.

Any excuse that does not attribute mala fide, laches, delay and negligence to you is acceptable. Sufficient cause has to be interpreted liberally and to advance substantial Justice.

Special Land ACquisition officer v. Mst.Katiji (1987)

K.Balakrishnan v. Krishnamurthy (1998)