Urdu (اُردُو) is a Persianised standard register of the Hindustani language. It is the official national language and lingua franca of Pakistan. In India, it is one of the 22 official languages recognised in the Constitution of India, having official status in the five states of Telangana, Uttar Pradesh, Bihar, Jharkhand and West Bengal, as well as the national capital territory of Delhi.
Yes it is allowed.
Lady Fatima (SA) is the greatest lady and the best lady in the Paradise and seeking her intersession is a very good way to get our wished fulfilled.
Language is never a condition or reason in Taqleed. The conditions of Taqleed are mentioned in the books of Fiqh and in answers of few questions on this website.
Nevertheless, There is one Marja' of Taqleed in Najaf Ashraf who is originally from Pakistan but studied and taught in Najaf Ashraf since mnay decades. His name is Ayatullah Shaikh Basheer Al-Najafi, may Allah grant him and all the Maraaji' long life.