The Science of Simran

Bhai Nirmal Singh Noorpuri

Harbhajan Singh Khalsa Yogiji

Baba Ranjit Singh (Dhadrianwale)

Bhai Ram Singh Kathavachak

Giani Amrik Singh (Chandigarh)

Bhai Banta Singh (Munda Pind)

Harman Singh (Basics of Sikhi)

Giani Sant Singh Maskeen

Dharam Singh Nihang Singh

Giani Harpal Singh (Fatehgarh Sahib)