Answer:
(Fatwa: 1186/1038=L/1429)
It is allowed to perform tarawih outside mosque if the Isha Salah is performed in mosque with Jamat.
(2) If his beard is to one fist or more than that and he intends not to cut it again and the mosque trustees are satisfied with him then the tarwaih shall not be makrooh behind him, otherwise it will be makrooh.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
