When was Article 134A inserted?
The exact date when Article 134A was inserted cannot be determined from the given context. However, we can infer that it was inserted before April 2, 1977, as it is referred to in the Constitution (Forty-second Amendment) Act of 1976. Additionally, Article 134A is mentioned again in the Constitution (Forty-fourth Amendment) Act of 1978, which came into effect on August 1, 1979.