The 85-year-old Shyamdev Rai Chaudhary, who was popularly known as 'Dada', died at a hospital in Varanasi early on Tuesday. In a post on X, PM Modi said, 'Extremely saddened by the demise of senior BJP leader Shyamdev Rai Chaudhary ji, who dedicated his entire life to public service. We all fondly called him 'Dada'.'