Hi,
You can also refer to:
1. N.D. Kapoor - "Elements of Industrial Law", Sultan Chand
2. Srivastava - "Industrial Relations and Labour Laws", Vikas, 4th Edition
3. Dhandapani - "Commercial and Industrial Law", Sultan Chand
You can find the bare acts of the respective laws on the internet as well.
Regards,
Lavanya.