### Instruction:
What is the economy size of Tamil Nadu?

### Input:
As the most urbanised state of India, Tamil Nadu boasts an economy with gross state domestic product (GSDP) of ₹24.85 lakh crore (US$310 billion), marking the second-largest economy amongst the 28 states of India. It has the country's 9th-highest GSDP per capita of ₹225,106 (US$2,800), and ranks 11th in human development index. Tamil Nadu is also one of the most industrialised states, with the manufacturing sector accounting for more than one-third of the state's GDP. Home to a number of ancient relics, historic buildings, religious pilgrimage spots, hill stations, forts, and three World Heritage Sites, Tamil Nadu's tourism industry is the largest among the Indian states. 15% of Tamil Nadu's forests are protected areas, hosting diverse wildlife. The Tamil film industry, nicknamed as Kollywood, plays an influential role in the state's popular culture.

### Response:
Tamil Nadu is one of the most industrialized and second-largest economy among all states in India with gross state domestic product (GSDP) of US$310 billion.