And it is stated in part 22, Surah Al-Ahzaab, verses 45 and 46:

یٰۤاَیُّهَا النَّبِیُّ اِنَّاۤ اَرْسَلْنٰكَ شَاهِدًا وَّ مُبَشِّرًا وَّ نَذِیْرًاۙ(۴۵) وَّ دَاعِیًا اِلَى اللّٰهِ بِاِذْنِهٖ وَ سِرَاجًا مُّنِیْرًا(۴۶)

O Conveyor of the unseen news (Prophet), We have indeed sent you the Present Eye Witness, and the Conveyor of glad tidings and warning. And as a caller towards Allah by His command, and an illuminating sun.

[Kanz-ul-Iman (translation of Quran)](Part. 22, Surah Al-Ahzaab, Verse 45-46)

Dear Islamic brothers! Celebrating the arrival of the Beloved Prophet صَلَّى اللهُ عَلَيْهِ وَاٰلِهٖ وَسَلَّم, i.e. to commemorate the Mawlid, is to act upon the command of the Qur’an, and is a means of attaining the pleasure of the Beloved Prophet صَلَّى اللهُ عَلَيْهِ وَاٰلِهٖ وَسَلَّم. Undoubtedly, celebrating the Mawlid, and decorating one’s home, neighbourhood and cars with flags and with colourful and shining lights, to make repentance especially upon the arrival of this month, to attain steadfastness upon the Sunnah and performing good deeds by making a firm intention to live one’s life in doing virtuous deeds, to travel in the Qafilahs with the Islamic brothers in order to spread the echoes of ‘Marhaba Ya Mustafa’, to spread the call to righteousness by distributing the booklets of Maktaba-tul-Madina in Mawlid gatherings and Mawlid processions, to organise various gatherings in various Masajid of the locality for the 12 days of Rabi-ul-Awwal, to attend the weekly Sunnah-inspired Ijtimas from start to end with flags in hand, to watch/listen to the Madani Muzakarah, to perform Ghusl out respect for the 12^th night, to wear new clothes, to purchase new items that you make use of, to act upon the Sunnah of the Beloved Prophet صَلَّى اللهُ عَلَيْهِ وَاٰلِهٖ وَسَلَّم by fasting on the day of the blessed birth (12^th Rabi-ul-Awwal), to spend the 12^th night in the Ijtima of Mawlid and at the time of dawn, take