In which state anti defection law was implemented in 1979?

The Anti-Defection Law was implemented at the national level in India through the 52nd Amendment to the Constitution of India in 1985. It added the Tenth Schedule, which deals with the disqualification of elected members on grounds of defection. The law sets out the provisions for disqualification on the grounds of defection and was intended to curb political defections that could lead to instability in the government. It is not specific to any particular state but applies to the entire country.