"Freak accident at home - cut my hand, had to have surgery to mend two fingers but should be fine soon, " Kunal posted on micro-blogging site Twitter.
The 28-year-old, who is working in "Blood Money" with Amrita Puri, thanked his fans for their wishes.
"Thanks so much for all your wishes. They mean a lot... will have only one good hand for a month now... since it's the left one, it's not easy to type, " he wrote.