No. Micromax Q4310 do not have the hybrid sim slot. There is a dedicated memory card slot in this phone.
Yes, Micromax offers 1 time replacement during first 365 days of your purchase.
Micromax Canvas 2 comes with 3075 mAh battery which is enough for a day's usage. It offers talk time of up to 8 hours on 4g network and about 250 hours stand-by time.
Micromax Canvas 2 is made of Metal and high quality Polycarbonate material. The front of the phone is covered with Corning Gorilla Glass 5.
No. Micromax Canvas 2 comes with non-removable battery.