The correct answer is: A. Hushka
Hushka was a Kushan king who ruled from around 140 to 180 CE. He was the son of Vima Kadphises and the father of Kanishka I. Hushka is known for shifting his capital from Kashmir to Rajouri during winters.
Harandev was a king of the Karkota dynasty who ruled from around 620 to 640 CE. He was the son of Durlabha Vardhana and the father of Lalitaditya Muktapida. Harandev is known for his military conquests and for building temples and monasteries.
Abhimanyu I was a king of the Karkota dynasty who ruled from around 760 to 780 CE. He was the son of Lalitaditya Muktapida and the father of Vajraditya. Abhimanyu I is known for his military conquests and for building temples and monasteries.
Mihirkula was a king of the Huna dynasty who ruled from around 515 to 530 CE. He was the son of Toramana and the father of Toramana II. Mihirkula is known for his military conquests and for his persecution of Buddhists.
Hushka was the only king among the given options who shifted his capital from Kashmir to Rajouri during winters.