………. is spoken widely in Jammu region with different dialects used by Paharis, Gujjars and Sikhs.

The correct answer is: B. Hindi

Hindi is spoken widely in Jammu region with different dialects used by Paharis, Gujjars and Sikhs.

Gojri is a Pahari language spoken by the Gujjars and Bakerwals of Jammu and Kashmir. It is a member of the Dardic branch of Indo-Aryan languages.

Punjabi is a Northwestern Indo-Aryan language spoken by the Punjabi people. It is the most widely spoken language in the Indian state of Punjab, and the second most widely spoken language in Pakistan. Punjabi is also spoken in the Indian states of Haryana, Himachal Pradesh, and Delhi, as well as in the Pakistani provinces of Punjab, Khyber Pakhtunkhwa, and Sindh.

None of these is not the correct answer.