The Science of Simran

Harman Singh (Basics of Sikhi)

Sant Sewa Singh (Rampur Khera)

Prof Darshan Singh Khalsa

Harbhajan Singh Khalsa Yogiji

Baba Hari Singh (Randhawa)

Giani Sher Singh

Sant Partap Singh Jaspal

Bhai Sarbjit Singh Dhunda

Giani Harbhajan Singh (Dhudike)

Bhai Satpal Singh UK