Xiaomi redmi note 4 4Gb Ram is one of the best smartphone under rs 15000 in india.it has very long life battery life.4100mah battery but ine thing was not good in it . Hybrid methad .look is so beautifull.this phine is in three color black , white or gold but black is very better look other than color.it contain MiUi8 .it sound quality is too good and it does not heat o. Playing game.chatting, usibg interner or other process and it is on sale flupkart or mi store only.i love this smartphone so much