State and Industry Variations in Returns
It varies from state to state and depends on the industry as well.
Monthly Returns
There are compulsory monthly returns such as ESI and EPF. PT returns are monthly in many states such as Maharashtra, Karnataka, Telangana, AP, WB, etc. In TN, the same is half-yearly. PT is not applicable in states like Delhi, UP, and Rajasthan. In Karnataka, there are annual returns under PT as well.
LWF Returns
LWF is monthly in states like Kerala and Haryana but half-yearly in states like Maharashtra and Delhi. In Karnataka, AP, Telangana, and TN, it is annual.
Annual Returns
There are annual returns under the Shops Act, and the same is due in January every year in Karnataka. But in states like Maharashtra and Telangana, it's due in April. Likewise, the Factory Act also has annual returns in many states, and a few states have half-yearly returns as well.