Solution:
From 1414 until 1451, the Sayyid dynasty was the fourth dynasty of the Delhi Sultanate. Jharkhand was controlled by Nagvanshi king Udai Karna during the time (1428-1457).

Solution:
On appointment Shah Shuja found Dhaka as the capital of the subah, but later (the date is unknown), he transferred the capital to Rajmahal.

Solution:
Ilmenite is a black iron-titanium oxide with a chemical composition of FeTiO3. Ilmenite is the primary ore of titanium, a metal needed to make a variety of high-performance alloys.

Solution:
The correct match is : Narsingh fair - Hazaribagh Kolhua fair - Chatra Bindudham fair - Sahibganj Budhai fair - Deoghar

Solution:
Ranchi is the most populous whereas Lohardaga is the least populous district in Jharkhand state.

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Solution:
Nirmal Mahato founded the 'All Jharkhand States Union' (AJSU) on 22nd June, 1986. In 1989, it called for general strikes and a boycott of the Lok Sabha elections.