Answer : 3. "Thane"
Explanation :

1. Union Minister of State Kapil Patil recently announced the development of India's first carbon-neutral village in Bhiwandi taluka, located in Thane district (Maharashtra).

2. The initiative aims to reduce carbon emissions and promote sustainable practices for a cleaner and greener environment.

3. Carbon-neutral villages as well as 121 tribal villages are being developed as model villages.