The correct answer is option 3, which states that achieving self-sufficiency in food grains and increasing agricultural production to meet the requirements of industry and exports is not among the aims of the Second Five Year Plan.

Option 1, rapid industrialization with emphasis on basic and heavy industries, was one of the key aims of the plan. This meant that the plan aimed to prioritize the development of industries that form the foundation of an economy, such as manufacturing and infrastructure.

Option 2, large expansion of employment opportunities, was another aim of the Second Five Year Plan. This meant that the plan aimed to generate more job opportunities across various sectors, which would help reduce unemployment and promote economic growth.

Option 4, reduction of inequalities in income and wealth and a more even distribution of economic power, was also an objective of the plan. The aim was to promote social justice and ensure that the benefits of economic development reached all sections of society.

In summary, the Second Five Year Plan focused on rapid industrialization, expanding employment opportunities, and reducing income inequalities.