The correct answer is: a) Kolkata.
The East-West Corridor is a major highway project connecting Assam to Kolkata. It is a 3,300-km-long highway that will pass through the states of Assam, Meghalaya, Tripura, Mizoram, Manipur, Nagaland, Arunachal Pradesh, West Bengal, Jharkhand, Odisha, and Bihar. The highway is expected to be completed by 2022.
The East-West Corridor will be a major boost to the economy of the region. It will improve connectivity between the eastern and western parts of the country and will facilitate trade and commerce. The highway will also help to improve the socio-economic conditions of the people living in the region.
The East-West Corridor is one of the most ambitious highway projects in India. It is a challenging project, but it is also a very important project. The highway will have a major impact on the development of the region.
The other options are incorrect because they are not the destinations of the East-West Corridor. Mumbai is located in the western part of India, Chennai is located in the southern part of India, and Porbandar is located in the western part of India. The East-West Corridor is a highway that connects the eastern and western parts of India.