Karbonn A6 Tauch not working How to Repair

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Today I Got A Phone Karonn A6 that was
Apparently Broken Tauch ,

New Hardware is in It Ver 1.21

I Flashed with 1.21 and 1.22
But Same No Tauch Working ,

Reason:-
But there is Old Hardware Based tauch in Market

How to Solve This Problem :-

Write Old Firmware Ver
Like - 1.16 0r 1.18

SPD 6820 Flashing Here:-