Ans. There is no place for Yoga (the way it is understood in Yogic tradition) in Sikhism. Guru Nanak Dev has clearly and unequivocally explained in “Aasa di Vaar”:
ਜੋਗੀ ਸੁੰਨਿ ਧਿਆਵਨ੍ਹਿ ਜੇਤੇ ਅਲਖ ਨਾਮੁ ਕਰਤਾਰੁ॥
(SGGS, P. 465)
“The Yogis expend all their efforts to concentrate on ‘void’.They try to achieve this by meditating on the subtle absolute (God) whom they name, ‘unknowable’ and the one free from dirt”.
However, one has to imagine a form for meditating (on someone or something) even if it is subtle and formless. Thus they also give the subtle and formless unknowable one a form of a physical body and are thus no longer the devotees of formless one.
Since mind itself is confined to space and time, anything in its imagination will also assume dimensions, howsoever subtle it may be. Therefore Yogis cannot achieve the state of equipoise-their mind keeps on wandering.
In the house of Nanak one has to stop the wandering of ones mind through meditation on “shabad”:
ਗੁਰਮੁਖਿ ਰਾਤੇ ਸਬਦਿ ਰੰਗਾਏ॥
ਨਿਜ ਘਰਿ ਵਾਸਾ ਹਰਿ ਗੁਣ ਗਾਏ
(SGGS, P. 798)
“The Gurmukhs (Guru-ward persons) are dyed and saturated in Lord’s colour through Guru’s word (Shabad), they sing Lord’s praises and abide in their true self”.