Today When I was reading book on King of Jodhpur, Maharaja Umed Singh. I read there about this great inventor of India. Mr. P.L. Mistry. He was born in 1914 and living in small village of Rajastan, that time Jodhpur state. He was only 5 class passed but he invented large number of Machines and equipment and machinery. Know more about this wonder man.
http://wikimapia.org/8873958/P-L-Mistry-Bros-By-Ashish-Kumar-s-o-B-C-Mistry-TAKHATGARH
http://www.vishwakarmavanshsuthar.com/blog/item/19-shri-p-l-mistry-a-forgotten-innovator