بسم الله الرحمن الرحيم
(Fatwa: 1262/1187/SN=11/1438)
In the question mentioned above you may provide transport and accommodation facility to the Sikh tourists and if they perform a task of kufr and shirk during the journey you shall not be sinful.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
