The land and buildings are owned by a company. Company share title gives the individual owners an equity share in the company. You occupy the apartment with a ‘license to occupy’.
Each company share will have different rules regarding maintenance of the building. Company share title comes under the Companies Act and there are no specific rules regarding how the company should manage maintenance and levies.
Check on the conditions of your particular company before doing any major maintenance or work which may affect common areas of the property.