India book of records.
My grand father Mr. Shankar Lal Rajsoni have received national award in 1970 by President of India Mr. V.V. Giri at vigyan bhavan New Delhi.
My grand father Mr. Shankar Lal Rajsoni have received 2nd time special award in 1973 by Prime Minister of India Smt. Indra Gandhi at Vigyan Bhavan New Delhi.