< b="" />Introduction< />
The Indian Forest Service (IFS) is one of the prestigious civil services in India. It is responsible for the management and conservation of forests and wildlife in the country. The establishment of the Indian Forest Service can be traced back to the colonial era when the British recognized the need for a dedicated cadre of officers to manage the vast forest resources of India.

< b="" />Answer Explanation< />
The correct answer to the question is option 'B' - 1864. The Indian Forest Service was set up in the year 1864. This was done by the British colonial government with the intent of better managing the forest resources of India.

< b="" />Historical Context< />
During the colonial period, India was known for its rich and diverse forests, which were highly valued for their timber, wildlife, and other resources. However, the forests were being exploited without any proper management or conservation measures in place. This led to rampant deforestation and the loss of valuable natural resources.

< b="" />Establishment of Indian Forest Service< />
In order to address the concerns of deforestation and ensure sustainable management of forest resources, the British colonial government established the Indian Forest Service in the year 1864. The service was initially known as the Imperial Forest Service and was set up under the British Indian government.

< b="" />Role and Responsibilities< />
The Indian Forest Service was entrusted with the responsibility of protecting and managing the forests and wildlife of India. The officers of the service were trained in scientific forestry techniques and were responsible for implementing forest conservation policies, preventing illegal logging, promoting sustainable forest management, and protecting wildlife.

< b="" />Evolution and Development< />
Since its establishment, the Indian Forest Service has evolved and adapted to the changing needs and challenges of forest management in India. Over the years, the service has played a crucial role in promoting afforestation, biodiversity conservation, and sustainable forest management practices.

< b="" />Conclusion< />
The Indian Forest Service was established in the year 1864 with the aim of better managing the forest resources of India. Over the years, the service has played a crucial role in the conservation and sustainable management of forests and wildlife in the country.