India’s largest ship breaking yard is located in Gujarat at:

Alang
Kandla
Porbander
Okha

The correct answer is (a) Alang.

Alang is a village in Bhavnagar district of Gujarat, India. It is located on the Gulf of Kutch, about 150 kilometers (93 mi) from the state capital Gandhinagar. Alang is the world’s largest ship breaking yard, with over 1,200 ship breaking yards operating in the area. The yard is responsible for breaking up over 500 ships each year.

The ship breaking yard at Alang was established in the 1980s. The yard is located on a 10-kilometer (6.2 mi) stretch of beach. The yard is divided into three zones: the main zone, the secondary zone, and the tertiary zone. The main zone is where the largest ships are broken up. The secondary zone is where smaller ships are broken up. The tertiary zone is where the scrap metal from the ships is processed.

The ship breaking yard at Alang employs over 40,000 people. The yard is a major source of employment for the people of Gujarat. The yard is also a major source of revenue for the state government.

The ship breaking yard at Alang has been criticized for its environmental impact. The yard has been accused of polluting the air and water with toxic chemicals. The yard has also been accused of violating labor laws.

Despite the criticism, the ship breaking yard at Alang remains a major economic force in Gujarat. The yard is a major source of employment and revenue for the state. The yard is also a major source of scrap metal for the Indian economy.

The other options are incorrect because they are not located in Gujarat. Kandla is a port town in Kutch district of Gujarat. Porbander is a city in Porbandar district of Gujarat. Okha is a town in Devbhoomi Dwarka district of Gujarat.