According to Hindu Law, any person, regardless of their marital status or religion, can adopt a child, provided they meet the legal requirements and have the capacity to provide proper care and upbringing for the child.

Hindu Law does not specify a minimum age requirement for adoption. However, the adoptive parent must be of sound mind and have the capacity to take care of the child.

For an adoption to be legally valid under Hindu Law, the consent of the child's biological parents, the consent of the adoptive parents, and the registration of the adoption with the appropriate authorities are all essential requirements.

Adoptive parents under Hindu Law have the same rights and responsibilities as biological parents, including the right to inherit the child's property, the responsibility to provide for the child's maintenance and education, and the right to make decisions regarding the child's upbringing and education.

Guardianship under Hindu Law encompasses the legal relationship between a guardian and a minor child, a guardian and an adult who is unable to manage their own affairs, and a guardian and a person with a mental disability.

Under Hindu Law, close relatives of the child, any person willing to take care of the child, and any person appointed by the court can be appointed as a guardian.

Guardians under Hindu Law have the right to manage the child's property, the responsibility to provide for the child's maintenance and education, and the right to make decisions regarding the child's upbringing and education.

Adoption under Hindu Law creates a permanent legal relationship between the adoptive parents and the child, involves the transfer of parental rights and responsibilities from the biological parents to the adoptive parents, and is available to both married and unmarried individuals. Guardianship, on the other hand, is a temporary arrangement that does not involve the transfer of parental rights and responsibilities.

Adoption under Hindu Law can be terminated on grounds of cruelty or neglect of the child by the adoptive parents, abandonment of the child by the adoptive parents, or failure of the adoptive parents to provide proper care and upbringing for the child.

A guardian under Hindu Law can be removed on grounds of mismanagement of the child's property, neglect or ill-treatment of the child, or failure to provide proper care and upbringing for the child.

An adopted child under Hindu Law has the same rights and responsibilities as a biological child, is entitled to inherit the property of the adoptive parents, and can use the surname of the adoptive parents.

A child under guardianship under Hindu Law is entitled to maintenance and education from the guardian, but does not have the same rights and responsibilities as a biological or adopted child.

The court plays a crucial role in adoption and guardianship matters under Hindu Law, approving or disapproving adoptions, appointing guardians for children, and resolving disputes related to adoption and guardianship.

Hindu Law related to adoption and guardianship has been amended by several recent legislations, including the Hindu Adoption and Maintenance Act, 1956, the Juvenile Justice (Care and Protection of Children) Act, 2015, and the Protection of Children from Sexual Offences Act, 2012.

The implementation of adoption and guardianship laws under Hindu Law faces challenges such as lack of awareness about adoption and guardianship procedures, social stigma associated with adoption, and delays in the adoption process.