Who emphasized the worship of God as Nirankar (Formless) in Punjab?

The correct answer is 'Baba Dayal Das'.Key Points:

• Nirankari is a religious reform movement within Sikhism.
• The Nirankari movement was founded by Baba Dayal Das in 1851.
• He believed that God is formless, or nirankar (hence the name Nirankari).
• The movement expanded in northwest Punjab. 

Additional Information Baba Ram Singh:

• Baba Ram Singh was born in the year 1815.
• He was a son of a poor carpenter, in a small village of Bhaini.
• Which was around 7 kilometers away from Ludhiana.
• In the early 1840s, he served as a soldier in the Sikh Army of Prince Naunihal Singh.
• He left the army after the overthrow of the Sikh rule.
• In the year 1838, he came in contact with Baba Balak Singh, and he also remained in touch with Bhagat Jawar mal as well.

 Guru Gobind Singh

Birth:

• He was born on December 22 in Patna in the year 1666.
• His birth anniversary is observed as Guru Gobind Singh Jayanti every year in accordance with the lunar calendar. 
• He was a poet, spiritual leader, philosopher, warrior and writer.
• 10^th Guru:
  • He was the tenth Guru of the Sikhs.

Khalsa Panth:

• He was the founder of the Khalsa Panth. 
  • He also founded the Sikh warrior community called Khalsa in 1699.
• He became a Sikh guru at the age of nine, after the death of his father Guru Tegh Bahadur.
  • His father was executed by Aurangzeb.

Five K's

• He introduced the five K's for the Sikhs including:
  • Kesh: uncut hair
  • Kangha: a wooden comb
  • Kara: an iron or steel bracelet worn on the wrist
  • Kirpan: a sword 
  • Kacchera: short breeches.