Micromax canvas mega 4g phone is good but battery is average RAM is 3gb that is pretty good. Display is 5.5 inches but unfortunately it’s IPS you can face problems in sun shade. If you are a gamer then this phone is not for you because it hangs when you plays heavy games camera is good but it don’t focus somethings I think because of its hardware problem. Even I have been using this phone for past 1 year.
For senior citizens this phone is pretty good because most of the seniors don’t shut the background apps and they won’t plays games too so I think so this is better for seniors like your mom and dad and they will not trouble you also about hanging problems. 9k is good for this phone.