The Indian government has adopted various strategies to mitigate the effects of natural disasters on vulnerable populations. Some of the major policy measures include:

• Establishment of a National Disaster Management Authority (NDMA) and State Disaster Management Authorities (SDMA) for better coordination and planning of disaster response.
• Implementation of early warning systems to alert vulnerable populations of an impending disaster, with the use of advanced technology like satellite imaging, radar systems, etc.
• Identification and mapping of high-risk areas to focus on preventive measures and increase preparedness in those areas.
• Development and implementation of disaster management plans for all states and Union Territories.
• Training programs for disaster management aimed at creating capacity building at the grassroots level.
• Building critical infrastructure like flood control measures, embankments, cyclone shelters, and relief centers.
• Strengthening the Disaster Response Force (NDRF) to increase the speed and efficiency of emergency response.
• Providing financial assistance to the affected population through programs like the Prime Minister's Relief Fund.
• Setting up of a hotline or helpline number to provide prompt assistance and information.

Overall, the government's policy measures have been aimed at increasing the preparedness and resilience of vulnerable populations to natural disasters.