The Smritis, which include the Manusmriti, are the primary source of customary law in India.

Customary law is not uniform throughout the country. It varies from region to region and community to community.

Customary law is subordinate to the Constitution. This means that if there is a conflict between a customary law and a constitutional provision, the constitutional provision will prevail.

The Supreme Court has upheld the right to inherit property as a customary law.

The Supreme Court has struck down the practice of sati as a violation of the right to life.

The challenges to the enforcement of customary law in India include the lack of written records, the diversity of customary laws, and the influence of modern law.

Some of the ways in which customary law can be preserved and promoted include documenting customary laws, providing training to judges and lawyers on customary law, and establishing customary law courts.

The role of the state in relation to customary law includes protecting customary law, promoting customary law, and regulating customary law.

Some of the criticisms of customary law include that it is often discriminatory, outdated, and not uniform.

Some of the benefits of customary law include that it is based on tradition, flexible, and responsive to local needs.

The future of customary law in India is uncertain. It is possible that it will continue to play an important role, be replaced by modern law, or be marginalized.

Legislation is not a source of customary law. Customary law is based on tradition and usage, not on legislation.

Customary law is not uniform throughout the country. It varies from region to region and community to community.

The Supreme Court has upheld the right to inherit property as a customary law.

The Supreme Court has struck down the practice of sati as a violation of the right to life.