You will get Vivo V5s, Vivo XE100 earphone, User manual, Micro USB to USB Cable, USB Power Adapter, SIM Ejector Pin, Protective Case and Protective Film (applied) as in-the-box accessories.
Yes, you can get EMI on a debit card, conditionally, your card is eligible for it. Check with your bank (ICICI & AXIS) if your debit card is eligible or not.
Vivo V5s is just 7.55 mm thick.
Yes, you can use Jio 4g sim card in this phone.