The Mi Band 3 was announced but not yet launched in India, but if you are planning to get it before it comes to India then do check this article as I have giving some special codes which you can use and get the Mi Band 3 that is priced at $49.99 (Rs. 3,300 approx) for $44.99 (Rs. 3,000).
The Xiaomi Mi Band 3 you can get from GearBest, it is listed and you can even place the order. Actual price is $49.99 and using coupon code mentioned below you can get for $44.99. There is free shipping option for HK chances are very high that you will get it without custom duty.
Here is the special code
Xiaomi Mi Band 3 Smart Bracelet – BLACK
Link : https://goo.gl/vmUQ1P
coupon code: GBest050 (100 units limited)
coupon price: $44.99
There is also clearance sale on Gearbest have a look in case you find something interesting – https://goo.gl/Hnnb3h