Which of the following became the first state/UT in India to launch Carbon Watch?

A. Uttarakhand

B. Chandigarh

C. Nagaland

D. Odisha

Explanation:

Chandigarh became the first state or Union Territory in India to launch Carbon Watch, a mobile application to assess the carbon footprint of an individual.  Although the app can be accessed by everyone, it has specific options for the residents of Chandigarh to compile a detail study. The application can be downloaded through a QR code in Android supported smart cell phones.