Which skills did Arthur Wellesley develop while serving in India?

While serving in India, Arthur Wellesley developed the essential qualities that would later define his military success on European battlefields. During his time there, he adopted a personal regimen of abstemiousness and good humor, which helped him cultivate the following professional skills:

• Strategic and Operational Competence: He demonstrated decisiveness, common sense, and a meticulous attention to detail in his military commands, including his victory at the Battle of Assaye.
• Logistical Management: He learned the importance of providing diligent care for his soldiers and managing their supplies effectively.1
• Diplomatic Relations: He developed the ability to maintain positive relations with the civilian population and successfully negotiated peace terms following his military victories.1

These experiences in India were foundational, and it was a mistake for his contemporaries, such as Napoleon, to dismiss him as merely a "Sepoy general," as these years of service refined the leadership traits that would eventually lead to his later prominence.1