The question asks which option is not a part of the service sector in India. Let`s analyze each option to determine the correct answer.

Option 1: Transport - Transport is a major part of the service sector in India. It includes services such as road transportation, railways, air transportation, and maritime services. Therefore, option 1 is not the correct answer.

Option 2: Construction - Construction is not a part of the service sector in India. It falls under the category of the industrial sector, specifically the construction industry. Therefore, option 2 is the correct answer.

Option 3: Hotels and restaurants - Hotels and restaurants are important components of the service sector in India. They provide accommodation and food services to customers, which is classified as a service. Therefore, option 3 is not the correct answer.

Option 4: Insurance - Insurance is a crucial part of the service sector in India. It falls under the category of financial services, where companies provide coverage and protection against various risks. Therefore, option 4 is not the correct answer.

In conclusion, from the given options, construction (option 2) is not a part of the service sector in India.