Subramaniam Mahadevan (24 August 1904 – 23 December 1957) was a Ceylon Tamil businessman and one of the founders of Capital Maharaja Organisation, one of the largest conglomerates in Sri Lanka.
[2] He had his early education in Malaya before his family moved to Ceylon.
[2] After finishing education Mahadevan and his school friend S. Rajandram joined Beer and Co. as guarantee brokers.
[2] After Dodge and Seymour ceased trading in Ceylon Mahadevan and Rajandram established several businesses to take over its client base: Mahadavans Limited, Rajandram Limited, Stirling Products and Maharaja Distribution.
[2] The Maharaja building in Banshall Street, Colombo was completed in 1953.