He prayed for "peace to the departed soul" and courage and strength to the bereaved family members to bear the loss.
Rohit passed away in New Delhi on Tuesday less than six months after his father died at the age of 93 in October last year.
Rohit had fought a six-year-long legal battle to prove that he was N D Tiwari's "biological" son born of an affair between the former Uttar Pradesh and Uttarakhand chief minister and his mother Ujjwala.
Tiwari married Rohit's mother at the age of 89 in 2014 after Rohit won the paternity suit against him.
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