President Pratibha Patil on 18 April 2012 released a commemorative postage stamp to mark the birth centenary of President R. Venkataraman at Rashtrapati Bhavan in New Delhi. Which of the following facts about the former president is not true?

A. R. Venkataraman was the 10th president of India

B. He held office from 25 July 1987 to 25 July 1992

C. had the unique distinction of having worked with four Prime Ministers namely- V. P Singh,
     Chandrashekhar and P. V Narasimha Rao and Rajiv Gandhi

D. R. Venkataraman had played a significant role in the industrialisation of Tamil Nadu. An
     outstanding administrator, he was also known as the father of industrialisation