Efforts to document and revitalize Meghalayan folk songs include:

Recordings and archives
Festivals and competitions
Transmission to younger generations
All of the above

The correct answer is: d) All of the above

Meghalayan folk songs are a rich and vibrant part of the state’s culture. They are passed down from generation to generation, and often tell stories of the people and their history. In recent years, there have been efforts to document and revitalize these songs. This has been done through a variety of means, including recordings and archives, festivals and competitions, and transmission to younger generations.

Recordings and archives are important for preserving the songs in their original form. They can also be used to study the songs and learn more about their history and meaning. Festivals and competitions provide a platform for people to perform and share their songs. This helps to keep the songs alive and in the public eye. Transmission to younger generations is essential for ensuring the survival of the songs. By teaching the songs to children, we can ensure that they will continue to be sung for generations to come.

All of these efforts are important for documenting and revitalizing Meghalayan folk songs. They help to preserve the songs, share them with others, and pass them on to future generations.