As per Factories Act, 1948, labour welfare officer is appointed
1. Where 100 or more workers are employed.
2. Where 500 or more workers are employed.
3. Where 1000 or more workers are employed.
Which of the following statements is/are true in case of 'labour welfare officer'?
1
Only 1
2
Only 2
3
Only 3
4
All of these