The descendants of some former royal families in Assam continue to play a role in:

The correct answer is: d) All of the above

The descendants of some former royal families in Assam continue to play a role in cultural preservation, politics, and social activism.

• Cultural preservation: Many of the descendants of former royal families in Assam are involved in the preservation of their culture and traditions. They may do this by supporting cultural organizations, funding the arts, or simply passing down their knowledge and stories to the next generation.
• Politics: Some descendants of former royal families in Assam are also involved in politics. They may run for office, or they may work as advisors to politicians. They may be motivated by a desire to serve their community, or they may want to protect the interests of their family and their people.
• Social activism: A number of descendants of former royal families in Assam are also involved in social activism. They may work to improve the lives of the poor, or they may campaign for human rights. They may be motivated by a sense of justice, or they may want to make a difference in the world.

The descendants of former royal families in Assam play an important role in their communities. They are often seen as leaders and role models, and they use their position to make a positive impact on the lives of others.