TWRP 2.8.7.0 for Primo RX2 and MIcromax A190. By HRIDOY

LINK :http://sh.st/nH1kf

(Read it and do it only if you know what custom recovery is and its risks)

REQUIRES A ROOTED A190.....

1.Install mobile uncletools app from playstore.
2. Put downloaded file in sdcard (not in any folders) ,reboot
3.Open mobile uncle tools and Click Recovery Update
3.it will scan files on sd card choose the downloaded file
4.Recovery is now insatlled...

OR BETTER METHOD

1.INSTALL rashr App From playstore :  http://sh.st/nHMaH

2.And Flash the recovery img(easy to use)