Can I get this drone after 4 days because Im going my home town please so do fast

@Anand123
It depends on type of drone you purchase.
Drones under 250 g (nano) won't need security clearance but many customs stops all types of drone and want DGCA noc from you.
All nano drones stuck in customs and then some of nano drone released from custom but some can't be released.
If you drone is nano drone and if  it stuck in customs then try to contact customs.

Can get this within 4-5 days

I need this in Bangalore but this gadget in Chennai

You wont probably for 99%, you cancel the order. Else you will lose your money. Buy it from local LHS.