Section 8A(1)(j) in The Companies (Incorporation) Rules, 2014
(j)any part of the proposed name includes the words indicative of a separate type of business constitution or legal person or any connotation thereof e.g. co-operative, sehkari, trust, LLP, partnership, society, proprietor, HUF, firm, Inc., PLC, GmbH, SA, PTE, Sdn, AG, etc.;