filing a complaint under RERA against errant developers is now convenient and easy. Here's a step-by-step guide about the best way best to file a complaint under RERA. As per the RERA Complaint can be filed under Section 31 of the Act. Complaints can be filed against developers, builders, and agents with all the regulatory authority or the adjudicating officer. How to file a complaint under RERA? By launching the official RERA websites, a variety of State authorities have made the procedure of filing a complaint under RERA simpler and hassle-free. Any homebuyer can file RERA complaints online on the site by filling a form and paying the registration fees. File RERA complaints: Step-by-Step guide Step 1 -- To file a complaint with the Authority, the complainant needs to see the State's official website. On the portal, search for the webpage of Complaint Registration. For example, on the Karnataka RERA website, homebuyers can record their complaints by simply clicking on the link placed under complaint REGISTRATION' next to'AGENT REGISTRATION'. Step 2 -- Click the complaint registration link. You'll be brought to the complaint type where you are required to fill in the details of the complaint. Step 3 -- While submitting the complaint, homebuyers are asked to submit their personal details such as Name, Address, Contact information, and Job details. Complainants can also attach supporting files. Step 4 -- Once the form is totally filled, the complainant would need to pay a sum of Rs 1,000 for filing the complaint or Rs 5,000 in the case of submitting complaints before the Adjudicating Officer. Online payment mode is also available for completing the transaction.