1. 
   Karthik
   [singer] Mano Karthik (கார்த்திக்; born 7 November 1980) is an Indian playback singer. Karthik started his professional career as a backing vocalist and has since been working as a playback singer. He has sung in multiple languages including Tamil, Telugu, Malayalam, Kann...
   Found op http://en.wikipedia.org/wiki/Karthik_(singer)
   
   
2. 
   Karthik
   [actor] Murali Karthikeyan Muthuraman (born 13 September 1960), better known by his screen name Karthik (கார்த்திக்), is a Tamil film actor and politician. He is the son of veteran actor R. Muthuraman. He was first introduced by Bharathiraja in the film Alaigal Oivathilla...
   Found op http://en.wikipedia.org/wiki/Karthik_(actor)
   
   

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