(Portion of my letter in response to a Brother who pointed mistakes of the workers of Tablighi Jamaat)

"Assalam o Alaikum wa rahmatullah wa barakatuhu,

May Allah bless you with all hikmat and barkat in your life. Your concern about correcting the wrong practices in Dawah work is very good and it is from Allah. Now it is upto you to strive for its correction with

1. Being passionate for their correction and doing dua for it.
2. With Hikmat
3. Ikhlas
4. With having trust among those in whom you are working for correction. (Take prophet example of correction of Kaba construction Hadith)
5.With being clear in your mind that result is not in you hand. You have only to be careful about your intention and putting best of your ability. You will get full reward and doer is only Allah.
6. To do till last breath of your life

So many people who claim for correction of the Dawah work, got derailed and shaitan played its game of damaging Dawah work and the cause of Muslim ummah as they missed any the above points.

I do dua that it may not happen with you........................

.....And if you are not agreed on the basic idea of Tablighi Jamaat and it is your ijtahad that it is not the correct manhaj of Dawah, then I have no problem with you as difference of opinion is acceptable in these subjects..........But then please dont come for correction taking name of the mistakes of the worker as you will not be able to do justice and it will create more problem than any solution........Still the choice is yours......Jazakallah o khair

(Taken from http://tablighijamaattruth.blogspot.in/p/some-shortcomings-of-workers-and-public.html with some editing