He joined Tata Motors in the Hire Purchase department looking after financing of commercial vehicles in Central and Eastern UP. Wasan was assigned to Tata Motors? Dharwad manufacturing facility as a Project Manager, after being selected by the company under the Fast Track Selection Scheme in 1996.

In July 1999, Wasan moved to the Sales & Marketing vertical of the Commercial Vehicles business, first as an Assistant Product Manager and then later as Product Manager for the Medium & Heavy Commercial Vehicles division. In December 2003, Wasan was assigned as the Regional Manager for the Western Region of Tata Motors Commercial Vehicle business unit.

In April 2008, Wasan moved to Tata Motors Commercial Vehicles International Business unit as Regional Head for Africa, Latin America and SAARC regions, and in July 2009 he took over as the Head of the Commercial Vehicles International Business, where he spent six years, leading the company?s growth in the international market, successfully growing the business, whist opening up new markets for the company.