Conducting the census in Bihar can face challenges due to:

Difficult terrain in some areas
Large population and complex demographics
Limited resources
All of the above

The correct answer is: All of the above.

Bihar is a state in India with a population of over 100 million people. It is the third most populous state in India, after Uttar Pradesh and Maharashtra. The state has a diverse population, with a variety of languages, religions, and cultures.

Conducting a census in Bihar can be challenging due to the following reasons:

  • Difficult terrain: Some parts of Bihar are located in the Himalayas, which is a mountainous region. This can make it difficult to access some areas and conduct the census.
  • Large population and complex demographics: Bihar has a large population, which can make it difficult to count everyone. The state also has a complex demographic, with a variety of languages, religions, and cultures. This can make it difficult to collect accurate data.
  • Limited resources: Bihar is a poor state, and it may not have the resources to conduct a census. This could include resources such as money, manpower, and equipment.

Despite these challenges, it is important to conduct a census in Bihar. The census is used to collect data on the population, which is used to plan for development and services. The census also helps to ensure that everyone is counted, which is important for democracy.