my lenovo a6000 is not working

[AC Question]

sir,unfortunately hosts file deleted from my lenovo a6000,,its not switching on.if i switch it on the lenovo logo will come..i waited for one hour and the lenovo logo did not gone

i cant even hard reset my phone or cant even recover my phone ..only the lenovo logo is coming for hours and hours

what to do please help me sir i am in need with that phone ..please help me