Yes, Moto C is a 4G mobile phone.
No. Motorola Moto C does not have hybrid sim slot. You can use 2 sim cards and 1 MicroSD slot at one go.
The MRP of Moto C is Rs.6,999.
Yes, you can use video calling apps like WhatsApp or Google Duo on this phone and can enjoy video calling to your near and dear ones.