ANSWER:

If they pray 4 rakah like isha, do not pray with them and pray home. 

QUESTION: Sheikh, in the mosques in my neighborhood/city, they lead 20 raka’ts for taraweeh, in groups of 4 raka’ts. Is it okay to join this kind of taraweeh Salah? Or should we just pray the right way at home?

Taraweeh, Tahajjud and Qiyam-ul-Layl |