Confused - Dual Sim phone with good battery life

1. Budget?

15000

2. Display type and size?

does not matter

3. Dual sim?

yes - Active dual sim

4. Preferred choice of brand?

samsung / redmi

5. What camera option you want (flash, front facing camera)?

good camera

6. Preferred operating system? (Android, iOS, Windows Phone, etc).

Android

7. Preferred connectivity options (3G, 4G ready).

4g

8. Primary use of handset (multimedia, camera, internet, gaming etc)?

Internet, camera

9. Any specific mobile phones in consideration?


redmi note 3, samsung a5

10. Any other info that you want to share

I want an active dual sim phone, good battery.