Shram-Suvidha the website itself defines its function as below :
“The Unified Shram Suvidha Portal is developed to facilitate reporting of Inspections, and submission of Returns. The Unified Shram Suvidha Portal has been envisaged as a single point of contact between employer, employee and enforcement agencies bringing in transparency in their day-to-day interactions. For integration of data among various enforcement agencies, each inspectable unit under any Labour Law has been assigned one Labour Identification Number (LIN).”
Last date of filing returns have ended, so quickly tell your clients to file there returns. see https://www.shramsamadhan.com/p/shram-suvidha-compliances-explanations.html