Absolutely. It is explicit in the act.
Chapter-IV, Section-a
"a brief detail of his enterprise including its name, registered address, type of enterprise, proprietorship, limited liability partnership, societies, co-operative society, partnership, company, competent authority and the particulars of registration and in case of a newly incorporated or registered entity, brief details of the parent entity including its name, registered address, type of enterprise (proprietorship, societies, co-operative society, limited liability partnership, partnership, companies, competent authority);"
Co-operative society definition:
(c) “Co-operative Society” means a society registered or deemed to be registered under the Karnataka Co-operative societies Act, 1959 (Karnataka Act 11 of 1959);
http://naredco.in/notification/pdfs/Karnataka%20Real%20Estate%20(Regulation%20and%20Development)%20Rules,%202017.pdf
Few co-operative societies have petitioned in karnataka high to keep themselves outside the ambit of RERA. But I don't think, they are going to suceed thought. Let us see.