Department of Revenue
Government of NCT of Delhi

"Degrees of prohibited relationship" – a man and any of the persons mentioned in Part I of the First Schedule and a woman and any of the persons mentioned in Part II of the said Schedule are within the degrees of prohibited relationship.

Explanation (I) –

1. relationship by half or uterine blood as well as by full blood;
2. illegitimate blood relationship as well as legitimate;
3. relationship by adoption as well as by blood; and all terms of relationship in this Act shall be construed accordingly.

Explanation (II) –

• "Full blood" and "half blood" – two persons are said to be related to each other by full blood when they are descended from a common ancestor by the same wife and by half blood when they are descended from a common ancestor but by different wives.

Explanation (III)–

• "Uterine blood" – two persons are said to be related to each other by uterine blood when they are descended from a common ancestress but by different husbands.

Explanation (IV)–

• In Explanations II and III, "ancestor" includes the father and "ancestress" the mother;

The First Sshedule [Degree of Prohibited Relationship

PART – I

• Mother.
• Father’s widow (step mother).
• Mother’s mother.
• Mother’s father’s widow (step grand-mother).
• Mother’s mother’s mother.
• Mother’s mother’s father’s widow (step great grand-mother).
• Mothers’s father’s mother.
• Mother’s father’s father’s widow (step great grand-mother).
• Father’s mother.
• Father’s father’s widow (step grand-mother).
• Father’s mother’s mother.
• Father’s mother’s father’s widow (step great grand-mother).
• Father’s father’s mother.
• Father’s father’s father’s widow (step great grand-mother).
• Daughter.
• Son’s widow.
• Daughter’s daughter.
• Daughter’s son’s widow.
• Son’s daughter.
• Son’s son’s widow.
• Daughter’s daughter’s daughter.
• Daughter’s daughter’s son’s widow.
• Daughter’s son’s daughter.
• Daughter’s son’s son’s widow.
• Son’s daughter’s daughter.
• Son’s daughter’s son’s widow.
• Son’s son’s daughter.
• Son’s son’s son’s widow.
• Sister.
• Sister’s daughter.
• Brother’s daughter.
• Mother’s sister.
• Father’s sister.
• Father’s brother’s daughter.
• Father’s sister’s daughter.
• Mother’s sister’s daughter.
• Mother’s brother’s daughter

Explanation –

• For the purposes of this Part, the expression "widow" includes a divorced wife.

PART – II

• Father.
• Mother’s husband (step-father).
• Father’s father.
• Father’s mother’s husband (step grand-father).
• Father’s father’s father.
• Father’s father’s mother’s husband (step great grand-father).
• Father’s mother’s father.
• Father’s mother’s mother’s husband (step great grand-father).
• Mother’s father.
• Mother’s mother’s husband (step grand-father).
• Mother’s father’s father.
• Mother’s father’s mother’s husband (step great grand-father).
• Mother’s mother’s father.
• Mother’s mother’s mother’s husband (step great grand-father).
• Son.
• Daughter’s husband.
• Son’s son.
• Son’s daughter’s husband.
• Daughter’s son.
• Daughter’s daughter’s husband.
• Son’s son’s son.
• Son’s son’s daughter’s husband.
• Son’s daughter’s son.
• Son’s daughter’s daughter’s husband.
• Daughter’s son’s son.
• Daughter’s son’s daughter’s husband.
• Daughter’s daughter’s son.
• Daughter’s daughter’s daughter’s husband.
• Brother.
• Brother’s son.
• Sister’s son.
• Mother’s brother.
• Father’s brother.
• Father’s brother’s son.
• Father’s sister’s son.
• Mother’s sister’s son.
• Mother’s brother’s son.