Default [Q] Touch Screen A.K.A. Digitizer Not Working On My Sony Live WT19i

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Hello,Fellow Members,
I Think This Question Has Already Been Asked But I Find Myself Under A Great Problem.
The Touch Screen Of My Sony Ericsson Live With Walkman - WT19i Isn't Working At All.
The Steps That Cause This Problem Was :
1.I Was Using Legacy Xperia 10.1 Android 4.2.2 - Worked Just Fine
2.Then I Flashed Lupus Kernel Along With Gin2Jelly Rom.
3.It Worked Fine For Around 5-6 Minutes And Suddenly I Realized That My Touch Isn't Working At All.

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Steps I Have Followed To Fix This :
1. Flash Original GB .58
2.Tried Different Kernels eg-Lupus , Extended Stock ,nAa Etc.
3.Flash Around 10 Custom Roms Including - xNXT , Zelly Crem ,Legacy Xperia ETC.
4. Flash Stock Ice Cream Sandwich .587
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Now I Have Been Suffering From This Problem For The Past 3 Days.
And In CWM Recovery The On Screen Button Don't Respond As well . But All The Other Physical Buttons Are Working And There Is No Other Problem With The Display

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.So Here Are My Questions ;
1. Is It Even Possible To Fix It By The Software Or Flashing ? Meaning Can i Fix It Without Replacing Any Part Of The Phone ?
2. In My Country I Don Not Have Sony Customer Care Or Service Center . If Anyone Know About Any In My Country Bangladesh Please Reply.
3. Finally , If I Do Have To Replace Any Part Of The Screen How Much Will It Cost ? [Kindly Reply If You The price In Any South Asian Country eg. India Or Bangladesh ] ....



Thanks For Reading And Help Me