First Make sure you are not rooted, with locked bootloader and on latest build (LMY48M) to flash the following zips for both flashable via stock and custom recovery!
Captured OTA Android Marshmallow for MICROMAX CANVAS A1
( Sprout 4 Via Stock recovery )
Flashable Custom Recovery ZIP for MICROMAX CANVAS A1, SPICE DREAM UNO, KARBONN SPARKLE V, MY PHONE UNO
( Sprout 4 via twrp recovery )
Download Here