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Adaptive Virtual Channel (AVC) is proposed as an efficient novel technique to reduce power dissipation of NoC switch. The proposed NoC switch employs power supply gating to reduce the power dissipation without degrading network performance. Hierarchical multiplexing tree is used to achieve efficient AVC. AVC uses hierarchical multiplexing tree and power gating mechanism to reduce both dynamic and leakage power dissipation of the switch. AVC technique is proposed to reduce the active area using hierarchical multiplexing tree. The dynamic power reduces by 60%. Using the leakage power reduction technique, the average leakage power consumption of Adaptive Virtual Channels is reduced by up to 97%.