Chennai/IBNS, March 27 -- A Chennai-based tech entrepreneur, who had accused his estranged wife of harassment amid a bitter divorce and custody battle of their son, has doubled down on his charges, media reports said.

Prasanna Sankar, the co-founder of Rippling, a start-up firm, has shared a point-by-point rebuttal to his wife Dhivya's charges that he had "kidnapped" their nine-year-old son and was a "sex predator".

He had claimed that his wife filed numerous cases against him in Singapore - including those of rape and leaking her nude videos - but the police found them to be false.

Sankar has now added WhatsApp screenshots and email exchanges between their lawyers in a long thread, accusing his wife of "abducting" their son to the US ...