Dr. Biswaroop Roy Chowdhury launched his book’ How to build a Super Specialty Home Hospital‘ by using world’s largest screwdriver at the Oxford Book Store, Connaught Place, India on April 20,2011 . The Largest Screwdriver measures 89.2 Inches and it has an acrylic handle that measures 9.5 Inches at its widest point and is 28 Inches long.The steel shaft is 3.5 Inches thick and projects a further 61.2 Inches making the overall length as 89.2 Inches .
- LONGEST PROGRAM ON BODY-MIND-SPIRIT
- MAXIMUM NUMBER OF PEOPLE PARTICIPATING IN A PLOGGATHON
- YOUNGEST FREESTYLE SWIMMER TO SWIM NON-STOP FOR ONE HOUR
- MAXIMUM CHAKRASANAS PERFORMED IN ONE MINUTE
- MAXIMUM POINTS SCORED IN RECURVE ARCHERY BY A MINOR IN A GIVEN TIME
- YOUNGEST LICENSED PILOT
- MAXIMUM NUMBER OF DIFFERENT KNIGHT MOVES IN CHESS IN A GIVEN TIME
- BOOK ON NATURE WRITTEN BY A KID
- YOUNGEST TO SPIN THREE HULA HOOP WHILE INLINE SKATING
- YOUNGEST TO WRITE IN WATER-IMAGE STYLE IN FOUR LANGUAGES