If 2 other building Flat holders Not coming forward you can form separate society for your building.
To form an apartment association the following steps have to be taken:
1) You have to elect the members of the board of association
2) You have to conduct a general body meeting to ratify the bye-laws of the association
3) You have to approach the Registrar of Co-operative Societies with the bye-laws, Deed of Declaration (Form-A) and the consent of the other owners to register the association.