Salam Alekum, Suppose I have made Niyat of 4 rakats before FARZ in, either Zohar, Asr or Isha salah and I have completed 2 rakats then FARZ salah started. In this case can I cut short it to 2 rakats or complete all 4 rakats. If I completes 4 rakats there is chances of loss of 1 or 2 rakats of FARZ salah. What should I do?
In this case, turn head for salah at two rak?ah and join the congregational salah. Later, you should perform the four rak?ah again, the already performed two rak?ah will be considered nafl.
Allah (Subhana Wa Ta’ala) knows Best
Darul Uloom Deoband