WAP-7 - तेरे जैसा यार कहाँ , कहाँ ऐसा याराना , याद करेगी दुनियां तेरा मेरा अफसाना. - Arjun Rai

These days Sleeper coaches of all trains are enabled with Phone/laptop Charger sockets. But I'm not sure if such socket is available near every berth. However, you will definitely find two along the toilet on both sides of sleeper compartment..

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carry power bank.. 10000 mah powerbank available for cheap...

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