(a) Health in India:
(i) Health in India is a state government responsibility. The Central Council Of Health and Welfare formulates the various health care projects and health department reform policies.
(ii) The administration of health industry in India as well as the technical needs of the health sector are the responsibility of the Ministry Of Health And Welfare.
(iii) Health care in India has many forms. These are the ayurvedic medicine practice, Unani or galenic herbal care, homeopathy, allopathy, yoga, and many more. Each different healthcare form has its own treatment system and practice patterns.
(iv) The medical practicing in India needs a proper licensing from the Ministry of Health. All. medical systems are now under one ministry viz AYUSH.
(b) Health Care Services in India:
(i) The health care services in India are mainly the responsibility of the Ministry of Health. State wise, health status is better in Kerala as compared to other States. Compared to other developed countries, India's health status is not satisfactory. India's health status is poor compared to Sri Lanka.

Energy Sources:
Electrical energy is one of the necessary components of our life. Nowadays, without electricity, we cannot survive in this world of technology. The energy sources are classified under two heads based on the availability of the raw materials used, while generating energy.
(a) Non-renewable energy sources and
(b) Renewable energy sources
(a) Non-renewable energy sources: As the name suggests, the sources of energy which cannot be renewed or re-used are called non-renewable energy sources. Basically these are the energy sources which will get exhausted over a period of time. Some of the examples of this kind of resources are coal, oil, gas etc.
(b) Renewable energy sources: These are the kind of energy source which can be renewed or reused again and again. These kinds of materials do not exhaust or literally speaking these are available in abundant or infinite quantity. Example for this kind include
(i) Solar energy
(ii) Wind energy
(iii) Tidal energy
(iv) Geothermal energy
(v) Biomass energy
Sometimes renewable sources are also called non-conventional sources of energy since; these kinds of materials of these ways of energy production were not used earlier or conventionally.

Birth rate and death rate:
(i) Crude Birth rate: It refers to the number of births per thousand of population.
(ii) Crude Death rate: It refers to the number of deaths per thousand of population Crude birth and death rates of India during various years
Table: Birth rate and death rate

(iii) Birth rate was 39.9 in 1951; it fell to 21.8 in 2011. Although the birth rate has declined, the decline is not so remarkable.
(iv) The death rate has declined from 27.4 in 1951 to 7.1 in 2011. However, from the data it is clear that the fall in birth rates is less than that of death rates.
(v) Kerala has the lowest birth rate (14.7) and Uttar Pradesh has the highest birth rate (29.5).
(vi) West Bengal has the lowest death rate. (6.3) and Orissa (9.2) has the highest.
(vii) Among States Bihar has the highest decadal (2001-11) growth rate of population, while Kerala has the lowest growth rate.

(i) HDI was developed by the pakistani economist Mahbub ul Haq and the Indian economist Amartiya Sen in 1990 and was published by the united nations development programme.
(ii) It is constructed based on life expectancy index, education index and GDP per capita.

(i) A large part of Valluvar's economic ideas are found in the second part of thirukkural, the porutpal.
(ii) It deals with wealth.
(iii) Thiruvalluvar is a fundamental thinker.
(iv) He believes that rains are the basic support of life.
(v) Since rain furnished food, it forms the basis for stable economic life.
(vi) Agriculture is the most fundamental economic activity depends on rain.