Hi Vvek12,
Welcome to Sony Community!
We're sorry to hear about this. Kindly follow the steps provided in the link below to troubleshoot the power issue on your laptop.
For further assistance regarding your concern, please contact the Sony offices/Sony representative offices nearest to your place of residence in Asia Pacific region http://www.sony-asia.com/countryselector.html?hpid=countryselector:AsiaPacific. Due to proximity, they are in a better position to respond to your questions or concerns.
Regards,
Jen
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