A 6000 or Redmi 2 prime same range phone both are in 7000 rupay.But redmi 2 much better then lenovo A6000 in various stage.
A6000 poor battry backup and lower screen ppi resolution. Redmi have 324ppi hd resolution 720×1280.
Redmi provide better user interface.
So better camera, or synchronse facility also.
Good dolby sound and ultimate hardware support.
So I recommended that redmi 2 prime is more better then lenovo a6000 in under 7000 budgets android smart phones.
if you incress your budget 9000 or more 9899 rupye you can go for lenovo K3 note is good or great.