Rto India — learning license not arrived yet

Address:

Lucknow, Uttar Pradesh, 226020

I have submitted my credentials on 23/09/17 and it was said that within 10 days my ll will arrive. Today is 17/11/17 and ll has not arrived yet. I have contacted them they said that your ll hasbeen dispatched from here on 29/09/17 and your ll no. Is this and told me that i should contact to my near postoffice. I contacted there but they said there's no such post arrived yet. (A week ago they have also posted my pan so it's quite true that my ll hasn't arrived there) please anyone look into this matter as soon as possible. Because i am college student pursuing llb hons and it is difficult for me travel without ll.
According to them my ll no. Is 15196