Manish neglected to remit the fees in time and therefore had to pay a fine.

refused : indicate or show that one is not willing to do something.
failed : (of an undertaking or a relationship) not achieving its end or not lasting; unsuccessful.
promised : assure someone that one will definitely do something or that something will happen.
obstructed : block (an opening, path, road, etc.); be or get in the way of.
neglected : suffering a lack of proper care.


Synonym of neglected is failed