Set I
(i)Kerala has the lowest infant mortality rate
(ii)Kerala has the lowest infant mortality rate because it has adequate provision of basic health and educational facilities.
Set II
(i)Bihar has the highest infant mortality rate.
(ii)Because it is the least developed state of the three
It lacks basic health facilities. People of this state fail to get proper educational facilities.

The following are the objectives of social development
(i)Economic Equality-Social development seeks to bring economic equality to the poor section of the society. It requires the standard of living of the people living below poverty line.
(ii)Social Justice- The under-privilege of section of society should get equal rights for carrying on any job, profession etc. They should also get justice and legal aid for any injustice met by upper section of the society.
(iii)Health and Education - It should be ensured that lower section of the society gets proper health and education facilities so that they can complete with the rich section of the society.
(iv)Cultural Equality - No discrimination should be met out to the people on the basis of regional identity, caste, religion, social status etc., Social development aims at all round development of society without any injustice, discrimination or deprivation.

Public facilities are required to ensure safety, security, health, education to the population of the country. It aids them to work better, earn better and to have better facilities of life. A healthy, educated and responsible population ensures development of the country. Four public facilities are as below:
(a)Health facility
(b)Education facility
(c)Safety and security of the citizen
(d)Infrastructure facility like rail, road etc.

Various kinds of environmental degradations are taking place today. Air pollution caused becausse of vehicles and industries, water pollution caused because of industrial effluents and human activities and land degradation because of mining, deforestation, and building of residential apartments, highways and for making furnitures have collectively led to environmental degradation. e expectancy at birth. Pakistan occupies the lowest position in the gross enrolement for all the three categories.

The famous quote of Mahatma Gandhi tells us that Earth has plenty of resources to satisfy the needs and basic requirements of the people but it does not have resources to meet the greed of even one person. WHile the basic necessities of human race can be fulfilled by nature, the unlimited exploitation of resources on the pretext of rapid development and the satisfaction of unlimited wants will lead to the destruction of resources. Sustainable developement is the key to the stable growth of economy. It will not only lead to the development of the present economy but willalso lead to its development in the future.