Consider the following Statements: Shad Nongkrem dance is for good harvest and prosperity. Mawsynram in Meghalaya receives the world's highest rainfall. Khasi and Jaintia tribes of Meghalaya doesn't practice making out a will, custom prescribes the devolution of ancestral property in the female line. Which of the following statement(s) is/are true?

Meghalaya, a state in northeastern India, is known for its rich cultural heritage and unique geographical features. The question involves three statements about Meghalaya, and the task is to determine which of these statements are true.

The first statement is about the Shad Nongkrem dance, which is a significant cultural practice among the Khasi people of Meghalaya. This dance is performed during the autumn season and is dedicated to the goddess Ka Blei Synshar. The primary purpose of the Shad Nongkrem dance is to seek blessings for a good harvest and prosperity. This statement is true and reflects the cultural significance of the dance in the region.

The second statement concerns Mawsynram, a village in Meghalaya that is known for receiving the world's highest rainfall. Mawsynram has been recorded as the wettest place on Earth, with an average annual rainfall of about 11,871 millimeters. This statement is also true and highlights the unique climatic conditions of the region.

The third statement pertains to the property inheritance customs of the Khasi and Jaintia tribes. These tribes follow a matrilineal system, which means that property and lineage are passed down through the female line. This custom is deeply rooted in the cultural practices of these tribes and is an important aspect of their social structure. The statement is true and reflects the unique social customs of the region.

Given that all three statements are true, the correct answer is option C, which states that all three statements are true. This option accurately reflects the cultural and geographical facts about Meghalaya.