Some of your questions answered below :-
Q1)Difference between Android V/s Android One.
Basic difference is GOOGLE have created a family for making available best quality fone @ low price & Google have also signed MOU with companies to provide updates for 2 Years.
Q2) Performance for Gaming & other.
1.3 GHz Quadcore + 1 GB Ram is OK.
HD games supported & good performance.
Not hanged till time.
Q3) Battery Life.
Average & needs charging once a day.
That seems ok as android need lots of power to run.
Q4) SAR Value.
Haven't seen anywhere pasted. I will share the update later.
Q5) Battery Heating Issue?
Q6)Retailers for Buying?
Micromax --> Amazon.in
Spice --> Flipkart.com
Karbon Smart --> Snapdeal
Q7) Micromax A1 VS ASUS ZENFONE 4 Comparison & Writing leader in comparison name
Build Quality :- ASUS
Battery life :- ASUS
Software updates :- Micromax / Android One.
Gaming :- Micromax / Android One.
I hope it will suffice the purpose.
Can any one mention whether this phone got a LED notification for missed call ,unread SMS etc?
This phone suxx... Redmi 1s far better @ 5999/- only with nyc hardware and software !! having some little issue thn also Redmi 1s is best at 6 k only !!!
Ca Kamal, 21 Sep 2014I can't find file manager. Will anybody help?Are plz download es file explorer to view file manager
Anonymous, 21 Sep 2014do this phone really have an led notificationYes, but only red and green. No other color.
People who are usng it plz tel about its camera quality. does photo gets blurd when zoomed
its phone is better than samsung galxy s dues 3 on cmprisn ram, os,battry.screen&price. by advertisment.but any user give comment onthis specification after use.
Ca Kamal, 21 Sep 2014I can't find file manager. Will anybody help?Download frm google store