The town of Sivakasi is a leader in the areas of printing, fireworks and safety matches. It was fondaly called as Little Japan by Jawaharlal Nehru. It contributes to 80% of India's fireworks production. Sivakasi provides over 60% of India's total offset printing solution.

The density of (population which measures population per sq. km is 555 (2011) against 480 (2001) Tamil Nadu ranks 12th in density among the Indian states and overall it is 382 for India.

Coimbatore is also called as "the pump city" because it supplies two thirds of India's requirement of motor and pumps.

(i) Tamilnadu ranks first in - Maize, Kambu, Groundnut, Oil seeds and Cotton.
(ii) Second rank in - Rice and Coconut
(iii) Third rank in - Sugarcane, Sunflower and Jowar.

(i) The average period that a person may expect to live is called life expectancy.
(ii) The life expectancy in India still falls short of most developed and developing nations.

It is an enterprise with a capital investment not more than 25 lakhs.

It is the practice of travelling abroad to places of historical or cultural interest or heritage importance including churches, mosques, temples, sacred mountains & caves.

(i) Chennai
(ii) Ennore 
(iii) Tuticorin

1. Rice
2. Kambu
3. Corn
4. Groundnutbr /> 5. Millets
6. Pulses
7. Maize

Gross State Domestic Product refers to the total money value of all goods and services produced annually in the state.

(i) Tamil Nadu has four major international airports.
(ii) Chennai international airport is currently the third largest airport in India after Mumbai and Delhi.
(iii) Other International Airports in Tamil Nadu include Coimbatore International Airport, Madurai International Airport, Tiruchirappalli International Airport.
(iv) It also has domestic Airports at Tuticorin, Salem and Madurai which connect several parts of the country.
(v) Increased industrial activity has given rise to an increase in passenger traffic as well as freight movement which has been growing at over 18-percent per year.

(i) Tamil Nadu has a three tier health infrastructure comprising hospitals, primary health centres, health units, community health centres & sub-centres.
(ii) As of March 2015, the state had 34 district hospitals, 229 sub-divisional hospitals, 1,254 primary health centres, 7,555 sub-centres and 313 community health centres.

Wind energy: Muppandal wind farm supplies the villagers with electricity for work. Wind farms are found in Nagercoil, Tuticorin, Coimbatore, Pollachi, Dharapuram & Udumalaipettai. They generate about half of India's 2000 megawatts of wind energy.
Nuclear energy: The Kalpakkam Nuclear Power Plant and the Koodankulam Nuclear Power Plant are the major nuclear energy plants for the energy grid.
Thermal energy: The thermal power plants are at Athippattu (North Chennai), Ennore, Mettur, Neyveli & Thoothukudi.
Hydel energy: There are 20 hydroelectric units in Tamil Nadu at Hundah, Mettur, Periyar, Maravakandy, Parson Valley.
Solar energy: Tamil Nadu tops in solar power generation.                                     Wind energy: Tamil Nadu has the highest installed wind energy capacity in India. The state has very high quality of offshore wind energy potential off the Tirunelveli coast & southern Thoothukudi & Rameswaram Coast.

(i) Tamil Nadu has historically been an agricultural state.
(ii) Tamil Nadu is India's 2nd biggest producer of rice.
(iii) The area under food crops is 72.9%.
(iv) Among the food crops paddy takes a major share.
(v) The rice production dominates with 79.49 lakh tonnes in 2014-15; followed by millets at 40.79 lakh tonnes & pulses 7.67 lakh ton.
(vi) The net sown area is gradually declining.

(i) Gross State Domestic Product refers to the total money value of all the goods & services produced annually in the state.
(ii) Tamil Nadu is the 2nd largest economy with a GSDP of $207.8 billion in 2016-17.
(iii) This is equal to the GDP of Kuwait (on nominal terms) and of UAE (PPP terms).
(iv) This is due to population effect.
(v) If per capita GSDP is considered for comparison Tamil Nadu may go below.

Wind energy: Muppanthal wind farm supplies the villagers with electricity for work. Wind farms are found in Nagercoil, Tuticorin, Coimbatore, Pollachi, Dharapuram & Udumalaipettai. They generate about half of India's 2000 megawatts of wind energy. Tamil Nadu has the highest installed wind energy capacity in India. The state has very high quality of offshore wind energy potential off the Tirunelveli coast & southern Thoothukudi & Rameswaram Coast.
Nuclear energy: The Kalpakkam Nuclear Power Plant and the Koodankulam Nuclear Power Plant are the major nuclear energy plants for the energy grid.
Thermal energy: The thermal power plants are at Athippattu (North Chennai), Ennore, Mettur, Neyveli & Thoothukudi.
Hydel energy: There are 20 hydro electric units in Tamil Nadu at Hundah, Mettur, Periyar, Maravakandy, Parson Valley.
Solar energy: Tamil Nadu tops in solar power generation.