Can I be forced to take up a service that I don't need

There are 274 members, out of which 150 members have Intercom/phone connection provided by a BSNL franchisee. The others have other different agencies like BSNL, Airtel, Tata, etc. In a SGM there was a proposal put forth to install Intercom in all the remaining flats. I already have 3 Landline connections and 4 mobile connections. Is it mandatory for me to take up another connection for Intercom from the Franchisee. I need to pay additional Rs. 500/- for installation charges and Rs. 55/- per month as Rent for the Intercom services, which would be deducted as additional maintenance fee and paid

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