The correct answer is: c) Zain-ul-Abidin.
Zain-ul-Abidin was a 15th-century ruler of Kashmir who is known for his religious tolerance, his patronage of the arts, and his reforms. He is often called the “Akbar of Kashmir” because of his similarities to the Mughal emperor Akbar, who was also known for his religious tolerance and his reforms.
Sultan Sikandar was a 14th-century ruler of Kashmir who is known for his persecution of Hindus. He is often called the “Butshikan” or “idol-breaker” because of his destruction of Hindu temples.
Harsha was a 7th-century ruler of northern India who is known for his military conquests. He is often called the “Vikramaditya of the north” because of his military prowess.
The Lohara Dynasty was a 10th-14th century dynasty that ruled Kashmir. They are known for their construction of temples and palaces.
In conclusion, Zain-ul-Abidin is the correct answer because he is the only ruler listed who is known for his religious tolerance and his reforms.