Book Name:Musafir ki Namaz
traveller or a resident so that his act of following the Imām in
Ṣalāĥ can be valid. It does not matter whether the follower knows it at the time of the commencement of Ṣalāĥ or afterwards. Therefore, the Imām should announce that he is a traveller before he starts leading the Ṣalāĥ. If he did not make the announcement at the beginning of Ṣalāĥ, he should do afterwards in these words: ‘I am a traveller. All resident Islamic brothers should complete their Ṣalāĥ’ [i.e. offer complete four Rak’āt]. (Durr-e-Mukhtār, vol. 2, pp. 735)
If he has already announced at the beginning, even then he should announce that he is a traveller after the Ṣalāĥ so that those who were not present at the beginning of Ṣalāĥ will also come to know about it. If it is obvious that the Imām is a traveller then post-Ṣalāĥ announcement is only Mustaḥab.
(Baĥār-e-Sharī’at, vol. 1, pp. 749)
Resident follower and remaining two Rak’āt
When completing their remaining Ṣalāĥ after the Imām who is a traveller has offered the Salām of shortened Ṣalāĥ, the followers should stand silent in the third and fourth Rak’āt of Farḍ for as long as it normally takes to recite Sūraĥ Al-Fātiḥaĥ instead of reciting it. (Durr-e-Mukhtār, vol. 2, pp. 735; Derived from: Baĥār-e-Sharī’at, part 1, pp. 748)
صَلُّوۡا عَلَى الۡحَبِيۡب صَلَّى اللّٰهُ تَعَالٰى عَلٰى مُحَمَّد