Dear Nikhil,
Broadly, labor laws can be divided into five categories:
1. Working Conditions
2. Industrial Relations
3. Social Security Measures
4. Wages & Salary Administration
5. Miscellaneous
Under Working Conditions, there are laws such as:
a) Factories Act, 1948
b) Contract Labour (Regulation & Abolition) Act, 1970
c) Inter-State Migrant Workmen (Regulation of Employment and Condition of Service) Act, 1979
d) Building and Other Construction Workers (Regulation of Employment and Condition of Service) Act, 1996
e) Etc.
Under Industrial Relations, there are laws like:
a) Industrial Dispute Act, 1947
b) Industrial Employment (Standing Orders) Act, 1946
c) Administrative Tribunal Act, 1985
d) Etc.
Under Social Security Measures, there are laws such as:
a) Employees' Provident Fund & Miscellaneous Provisions Act, 1952
b) Employees' State Insurance Act, 1948
c) Workmen's Compensation Act, 1923
d) Maternity Benefit Act, 1961
e) Payment of Gratuity Act, 1972
f) Etc.
Under Wages & Salary Administration, the laws include:
a) Equal Remuneration Act, 1976
b) Payment of Wages Act, 1936
c) Payment of Bonus Act, 1965
d) Minimum Wages Act, 1948
e) Etc.
Under Miscellaneous, the laws are:
a) Trade Union Act, 1926
b) Apprentices Act, 1961
c) Etc.
H.L. Kumar & S.D. Puri's books are really good. You can also try Mishra's book.
Regards,
Jawed Alam