Highlights Riyasdeen, the husband-to-be of AR Rahman's daughter Khatija Rahman, is an audio engineer Riyasdeen Shaik Mohamed and AR Rahman's collaboration dates back to 2017 Khatija shared a social media post about her engagement on Dec 29 and introduced Riyasdeen It was celebration time in the family of music maestro AR Rahman recently as his daughter Khatija got engaged to …