Air Engine
[1] 'Air-O-Cycle' Engine Concept in Engish -booklet presented to Governor of Uttar-Pradesh on Jan 17, 2011.
[2] 'Air-O-Cycle' Engine Concept in Hindi -booklet presented to Governor of Uttar-Pradesh on Jan 17, 2011.
[3] 'Air-O-Bike' Concept Book -sent to Limca Book of records on Jun 13, 2013.