Answer : 1. "तारागढ़ दुर्ग, अजमेर "
Explanation :

1. Taragarh Fort is the Dargah of Miran Saheb in Ajmer.

2. This Dargah belongs to the first governor of the fort, Mir Syed Hussain Khingswar.

3. In the Dargah of Miran Sahib, the shrine of his most beloved horse is found only in Ajmer in the whole of India (North India).