I have formulated a new hypothesis for better explanation of the cause of gravitational attraction. The concept is explained in a booklet "THE UNKNOWN TRUTH" copyright 1983. The papers were sent to different departments including the National Physical Laboratory of India but no one was prepared to give any comment. After a long wait, I submitted the thesis to Dr. J. C. Edwards, Editor of British and American Scientific Research Association, CANADA. I got immediate response and was advised to approach Dr. W. G. Carnahan, Executive Secretary Association Pushing Gravity Research, U.S.A.  And got his response as under:
  

  
 

Strangely, his book never reached my address and he  stopped responding further. Maybe, someone was not interested for our exchange of notes.