In the realm of public policy in India, the employment of Geographic Information Systems (GIS) has been recognized as an influential technique for monitoring and evaluation. Given this recognition, consider the following statements:

1. GIS is uniquely equipped to handle geographical features, allowing policymakers to measure policy impacts in spatial dimensions with precision.
2. Services like Bhuvan, a platform provided by the Indian Space Research Organization (ISRO), are not being utilized for public policy evaluation due to their limitations in geo-spatial information.
3. The application of GIS tools in policy evaluation is solely applicable to land and environmental-related policies in India.
4. By visualizing data through GIS, it has been possible to advocate for interventions at grassroots levels by NGOs, thus fostering a more inclusive approach to policy implementation and evaluation.

Which of the statements given above are correct