Can a person offer a prayer With different intentiön/niyat then the leader of the prayer like in following cases.
1. I entered the mosque when the Isha prayer had started. Can i join the prayer with the Niyat Of Maghrib Wajib and finish the prayer at 3rd Rak'at?
2. I entered the mosque when Asar had started. Can i join the prayer with niyat of Zohar?
3. Last night people were offering Qada prayers behind leader of the prayer. I had not offered Isha fard by that time. Could i join them with niyat of Fard Isha whle they were offering any of the daily Qada prayer?
Please reply in terms of fatwa of Ayatullah Ali Sistani HZ














