[9:72] Allah has promised to the believers, male and female, gardens beneath which rivers flow, where they shall live forever, and good homes in gardens of eternity. And Allah‘s pleasure is above all. That is the supreme success.
They remind our Muslim brothers and Sisters to change their life according to Qur’aan and Sunnah and we believe that our reminder also has evidence from the book of Allah (SWT):
How to actually change their life? We refer them to the Ulama (& people of knowledge) and we believe that we evidence for that from the book of Allah (SWT) as well:
[21:7]...So, ask the people (having the knowledge) of the Message, if you do not know...
Therefore, he started calling people to the masjid, and reminded them about Allah Ta’ala and His greatness.
Initially people rebuked him, they discouraged him and used to say that they had no time for all of this; but as time went by, they realized the truth behind it and the need for it, and started joining him in calling others towards Allah Ta’ala.
Thereafter, when more people started joining this work, a few guidelines had to be set, to make sure that the work was done in a proper manner.
Different time periods of 3 days, 40 days, etc. were set, so that people knew for how long they had to be away, and could make the necessary arrangements for their family,jobs etc.for that period.
They were doing it in informal way and reported this to Maulan Ilyas. Maulana Ilyas liked this method for calling people who are not TALIB at all.
(For complete article see Tabligh Jamaat an Introduction click here )