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%E0%B4%8F%E0%B4%A4%E0%B4%BE%E0%B4%A3%E0%B5%8D %E0%B4%A8%E0%B4%B2%E0%B5%8D%E0%B4%B2%E0%B4%A4%E0%B5%8D Difference between On grid and Off grid system Hybrid