LWF Report stands for Labour Welfare Fund Report. It is succor for those in need in the form of money or other necessary needy items. The major role of LWF is towards improving social security and working conditions.
In LWF both the employer and the employee contribute, but most of the time employer contribute to the LWF before rolling out the salaries for the employee. This means employees get salaries after deduction for LWF.
Rules for labour welfare fund varies across the different states. If the company has offices and workforce in multiple states then state wise LWF rules are to be followed.