The NRI industrialist, who knew Shankar for several decades, said that the maestro was hugely popular in the West where he had played to admiring audiences for so long.
"His death creates a void which is not possible to fill," Paul said.
92-year-old Shankar, whose health had been fragile for the past several years, underwent heart-valve replacement surgery last Thursday at the Scripps Memorial Hospital in La Jolla, California where he breathed his last.