The correct answer is option 'C'. The Operation Green Project was started in Uttar Pradesh in 2001. Here is a detailed explanation:

Introduction:
The Operation Green Project is an initiative launched by the Government of Uttar Pradesh to promote agricultural development in the state. It aims to improve the productivity and profitability of farmers by implementing various schemes and providing necessary support.

Initiation:
The project was initiated in the year 2001 by the then Chief Minister of Uttar Pradesh, Mr. Rajnath Singh. It was launched with the objective of boosting agricultural production, increasing farmer incomes, and ensuring food security in the state.

Objectives:
The Operation Green Project has several key objectives, including:

1. Increasing agricultural productivity: The project aims to enhance the productivity of crops through the adoption of modern farming techniques, improved irrigation facilities, and the use of high-yielding varieties of seeds.

2. Ensuring food security: With a growing population, ensuring food security is crucial. The project focuses on increasing the production of essential food crops like wheat, rice, pulses, and vegetables to meet the rising demand.

3. Empowering farmers: The project aims to empower farmers by providing them with training, information, and resources to improve their farming practices. It also aims to create a supportive environment for farmers through the provision of better infrastructure, access to credit, and market linkages.

4. Sustainable agriculture: The project promotes sustainable agricultural practices, including organic farming, water conservation, and soil health management. It aims to reduce the dependence on chemical inputs and promote environmentally friendly farming methods.

Implementation:
To implement the Operation Green Project effectively, the Uttar Pradesh government has set up various departments and agencies responsible for its execution. These include the Department of Agriculture, Horticulture, and Food Processing, among others. These departments work in coordination to provide technical guidance, financial assistance, and other necessary resources to farmers.

Benefits:
The Operation Green Project has had several positive impacts on the agricultural sector in Uttar Pradesh. It has led to increased agricultural production, improved farmer incomes, and enhanced food security in the state. Additionally, the project has helped in the diversification of crops, reducing post-harvest losses, and promoting sustainable agricultural practices.

Conclusion:
The Operation Green Project, initiated in 2001 in Uttar Pradesh, has been instrumental in promoting agricultural development and improving the livelihoods of farmers in the state. Through its various initiatives, the project has contributed to increased agricultural productivity, enhanced food security, and sustainable agricultural practices.