1. Jahangir ordered the execution of Sikh leader Guru Aijun (or Arjan) for helping his rebellious son Khusrau, who contested for the throne.
2. This resulted in a prolonged fight between the Sikhs and the Mughals.
3. As a result of this confrontation, the Mughals had to lose control over the trade routes to Afghanistan, Persia and Central Asia.