The main language(s) spoken in Kullu district is/are

Bhoti
Kanashi
Hindi
Both (B) and (C)

The correct answer is: Both (B) and (C).

Kullu district is a district in the Indian state of Himachal Pradesh. The district is located in the central part of the state and is bordered by the districts of Mandi to the north, Shimla to the east, Lahaul and Spiti to the southeast, Kinnaur to the south, and Kangra to the west. The district has a population of over 500,000 people and the headquarters of the district is the town of Kullu.

The main language spoken in Kullu district is Kanashi, which is a dialect of the Pahari language. Kanashi is spoken by over 90% of the population of the district. Other languages spoken in the district include Hindi, Punjabi, and English.

Kanashi is a tonal language, which means that the pitch of the voice can change the meaning of a word. Kanashi also has a complex system of verb conjugations.

Hindi is the official language of India and is spoken by over 400 million people in the country. Hindi is a member of the Indo-Aryan language family and is closely related to Sanskrit. Hindi is written in the Devanagari script.

Punjabi is a language spoken by over 100 million people in India and Pakistan. Punjabi is a member of the Indo-Aryan language family and is closely related to Hindi. Punjabi is written in the Gurmukhi script.

English is a foreign language that is widely spoken in India. English is the language of education and government in India. English is also the language of business and commerce in India.

The main languages spoken in Kullu district are Kanashi, Hindi, and Punjabi. Kanashi is the most widely spoken language in the district, followed by Hindi and Punjabi. English is a foreign language that is widely spoken in India, but it is not one of the main languages spoken in Kullu district.