Rule 33: Periodical returns:-
Every employer having ten or more employees shall send a return in Form XXVII for months ending March, June, September, and December of every year so as to reach the Inspector within whose jurisdiction the establishment is situated not later than the 10th day of the month following the month to which the return relates.
Form XXVII - Quarterly Returns
These Quarterly Returns captures information like Name & address of the establishment, address of the employer, category of establishment, number of days worked during the month, normal working hours, rest intervals, number of employees & their earnings, number of Mondays worked during the month, the money value of concession in-kind & number of unpaid helpers.
This needs to be filed 4 times in a year.
March Returns will have data for Jan, Feb & March.
June Returns will have data for Apr, May, June.
September Returns will have data for July, Aug, Sep.
December Returns will have data for Oct, Nov, Dec.