The main HQ of tableeghi jamaat referred to as the Markaz is in ________?

The main HQ of tableeghi jamaat referred to as the Markaz is in ________?

تبلیغی جماعت کا مرکزی ہیڈکوارٹر جسے مرکز کہا جاتا ہے ________ میں ہے؟
Explanation

Tablighi Jamaat was started by Deobandi Islamic scholar Maulana Mohammad Ilyas Kandhalvi as a religious reform movement.

The work of Tablighi Jamaat is to give religious sermons especially to the followers of Islam.