The correct answer is D. All of these.
Ashtaadhyayi is a Sanskrit treatise on grammar by Panini, written in the 5th century BCE. It is considered one of the most important works of Sanskrit literature and is still used today as a reference work on Sanskrit grammar. The book mentions the Jammu region in several places, including in the section on the names of places.
Rajatarangini is a chronicle of the kings of Kashmir, written in Sanskrit by Kalhana in the 12th century CE. It is considered one of the most important works of Kashmiri literature and is a valuable source of information on the history of Kashmir. The book mentions the Jammu region in several places, including in the section on the history of Kashmir.
Tahqiq-Ul-Hind is an Arabic treatise on India, written by Alberuni in the 11th century CE. It is considered one of the most important works on India written by a Muslim author. The book mentions the Jammu region in several places, including in the section on the geography of India.
In conclusion, all of the books mentioned in the question mention the Jammu region.