why my new bike gets its engine turn off in between the ride?

[Maha]

i buyed new bike apache RTR 160cc for going to college as it was Saturday and Sunday i had ride on it but sometimes wen i riding in between engine turns off and doesn't start at all, and i keep on starting it doesnt start so i gave 2 mins gap and started then it started the same happend again i tought it would be petrol problem but as first i took bike i fueled 4 litrs in it. somw one give and tips and tricks for riding new bike and plzz help me with this problem