He was given the highest honor from Maharishi as the greatest living authority but they did not work together much and their systems of Vaastu differ in some respects. Here is an interview in which he credits Vaastu with prolonging his life beyond what was predicted by Jyotish.
http://www.sify.com/news/i-escaped-death-because-of-vaastu-ganapati-sthapati-news-features-jixmfkhcdae.html
