Answer: Guru Nanak Dev Ji
Notes: Guru Nanak Dev Ji attained enlightenment at Kali Bein in Sultanpur Lodhi, Punjab. Gurdwara Sri Ber Sahib marks the site. Kali Bein is a 160 km rivulet essential to the region’s ecology and culture. The rivulet was restored in the early 2000s by Sant Balbir Singh Seechewal.
