Based on the provided legal document, the key legal points are as follows:

1. The offence under the Factories Act is a strict statutory offence that does not require mens rea, and it arises out of a breach of specific duties imposed by the Act (!) (!) . Therefore, prosecution under the Factories Act and under the Indian Penal Code (IPC) for the same incident are considered separate offences with distinct ingredients, and both can be prosecuted independently (!) (!) .

2. The provisions of Section 92 of the Factories Act prescribe a specific penalty for contraventions, which may include imprisonment or fine, and these penalties are based on statutory breaches rather than general criminal law (!) (!) .

3. The initiation of criminal proceedings under Section 304-A of the IPC for causing death by negligence does not amount to double jeopardy or violate the protection under Article 20(2) of the Constitution of India, even if there has been a conviction or penalty under the Factories Act (!) (!) .

4. The offences under the Factories Act and the IPC are based on different legal principles and facts; thus, prosecution under both laws is permissible, and one does not bar the other (!) (!) .

5. The protection under Article 20(2) of the Constitution of India or Section 300 of the Criminal Procedure Code (Cr.P.C.) is not available to prevent prosecution under the IPC if the offences are distinct and based on different ingredients (!) (!) .

6. The legal process allows for separate trials for offences under the Factories Act and the IPC, and a conviction or penalty under one does not preclude the prosecution or trial under the other (!) (!) .

7. The court emphasized that the mere existence of a conviction under the Factories Act does not bar subsequent criminal proceedings under the IPC, as both offences are based on different legal and factual foundations (!) (!) .

8. The court directed the trial courts to proceed with the cases without delay, emphasizing that the proceedings should be concluded within a specified timeframe, and that the order of quashing the proceedings was not justified (!) (!) .

In summary, the legal analysis clarifies that prosecution under the IPC for causing death by negligence is permissible even if there has been a conviction or penalty under the Factories Act, as the offences are distinct both in their legal basis and ingredients. The protections claimed under constitutional provisions or criminal procedural law do not bar such separate proceedings.