H S Ranka is the leading industrialist of Rajasthan state in India. He is the founder and chairman of Modern Group. He hails from Bhilwara town in Rajasthan. He established Modern Wollens in 1973 the first enterprise with many others to follow. His group include the companies as Modern Threads, Modern Insulators, Modern Syntex, Modern Suitings, Modern Petrofill, Modern Petrochemicals and Modern Denim.
H S Ranka was awarded 'Udyog Patra' in 1978 for being a self made industrialist and shielded by The Rajasthan Financial Corporation (RFC) in 1980 for his contribution towards industrialisation of Rajasthan.