switch off automatically and even on..!

now my moblie is completly dead its not switching on...!! i love my mob..!! plz help me out..!!

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plz reply ..

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My phone canvas doodle 4 is a year old. It got switched off after low voltage. But even after charging for 2 to 4 hrs it didn't start. I tried pressing the power and low volume key, but not even white screen appeared. Only red charging light is lightening. What should I do? It is a problem that is common in it?

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