 He is also credited with the development of 30 high yielding mutant varieties of Crossandra using gamma radiation, with assistance from the Indira Gandhi Centre for Atomic Research, Kalpakkam.Reddiar, whose hybrid varieties have been planted in the Mughal Gardens of the Rashtrapati Bhavan, lives in Koodapakkam in Puducherry.Venkatapathi Reddiar, holder several patents, was honored by the International Tamil University, Maryland, USA with the degree of "Doctor of Letters" (Honoris Causa) in 2011.