In this landmark precedent from Supreme Court, it was held that marriages performed after converting to Islam are not acceptable as valid marriages. This is popularly known as Love Jihad in India.

Casemine version:

Indiakanoon version:

Citations : [2000 ALLMR SC 3 251], [2000 AIR SC 1650], [2000 UJ SC 2 1113], [2000 SCALE 4 176], [2000 SCC CRI 1056], [2000 SUPREME 3 601], [2000 AIR SC 1760], [2000 CRLJ SC 2433], [2000 JT 5 617], [2000 SCC 6 224], [2000 BOMCR SC SUPP 1 464], [2000 AIR SCW 1760]

Other Sources :

https://indiankanoon.org/doc/80351/

https://www.casemine.com/judgement/in/5609ad87e4b0149711411995