commecting softbricked yureka to pc

Guys my yureka is stuck in bootloop and I can't even access twrp recovery.....I tried to connect my yureka to PC to flash stock ROM to it.....but as I connect it to PC using adb driver it shows waiting for device.....how could I connect my yureka to PC to revive it.....pls tell its urgent....pls tell the unbricking process too if possible.....thanks in advance

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