I deleted Android OS from my Karbonn device
You mean you deleted Files from /SYSTEM/ folder.

If yes then Bro you did a big mistake. Your device got corrupted.To recover  Download android ROM for your device from internet then go to download mode and flash it using ODIN .


You can download ROM from LINK: http://androidxda.com/download-karbonn-stock-rom-models
Download ODIN from http://odindownload.com/ (Requires PC)