Screen Problem in Nokia 5235

Hello. Please help me in this.. i have vertical lines in my nokia phone.. and they are rapidly increasing.. i don't know what to do for that. but i found that this is hardware fault. so please give me idea how to solve this problem ? this lines are annoying. and very very disturbing.. and the main thing is that the screen is not cracked i never give any kind of force on it.. its just happens suddenly..

THanks.

See Image give below.. here..
Attachment 32549