Kumar Sanu's birth name is Kedarnath Bhattacharya.
Kalyana Kumar's birth name is Chokkana Kumar.
Raghu Kumar's birth name is Raghu Kumar.
Kumar Pallana's birth name is Kumar Vallabhdas Pallana.
Barin Kumar's birth name is Barindra Kumar Bhattacharya.
Ketan Kumar's birth name is Ketan Kumar Bhatt.
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Varun Kumar Kapur's birth name is Varun Kumar Kapur.
Kumar Sanu's birth name is Kedarnath Bhattacharya.
Raaj Kumar's birth name is Kulbhushan Pandit.
Udaya Kumar's birth name is Suryanarayana Murthy.
Kumar Gaurav's birth name is Manoj Rajendra Tuli.
Naresh Kumar Kc's birth name is Naresh KC.