The correct answer is option 'C' which states that the 13th Five Year Plan will be operative for the period 2012 - 2017.

Explanation:
The Five Year Plans are a series of comprehensive, economic development initiatives introduced by the Government of India. These plans outline the country's priorities and strategies for achieving economic growth and development over a five-year period. Each plan covers various sectors such as agriculture, industry, infrastructure, healthcare, education, and social welfare.

The 13th Five Year Plan is a plan that was formulated by the Planning Commission of India and covers the period from 2012 to 2017. It is important to note that the Planning Commission has been replaced by the NITI Aayog (National Institution for Transforming India) in 2015, but the 13th Five Year Plan still follows the timeline established by the Planning Commission.

The Five Year Plans are typically formulated after extensive consultation with various stakeholders including government departments, experts, and industries. These plans take into consideration the current economic conditions, challenges, and goals of the country.

The 13th Five Year Plan focuses on several key areas such as inclusive growth, sustainable development, infrastructure development, and social welfare. It aims to address issues such as poverty, unemployment, regional disparities, and environmental sustainability.

During the 13th Five Year Plan period, the government implemented various policies and initiatives to achieve the plan's objectives. These included measures to boost manufacturing, promote entrepreneurship, enhance digital connectivity, improve access to education and healthcare, and promote sustainable development practices.

The 13th Five Year Plan also emphasized the importance of international cooperation and partnerships to achieve its goals. It recognized the need for collaboration with other countries and international organizations to address global challenges and promote economic development.

In conclusion, the 13th Five Year Plan was operative for the period 2012 - 2017 and aimed to achieve inclusive and sustainable development in various sectors of the Indian economy.