i want to install indian firmware and indian stock rom on my htc one m7

Dear friends,
i m using htc one m7 verizon unlocked device, i want to install indian firmware on my device, my doubt is mid and cid chage will help me? or not that's the way kindly post indian htc one m7 mid and cid details, then if i change cid and mid on my one m7, can i install indian firmware????
thans in advance.

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