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We study Active Galactic Nucleus (AGN) activity in the fossil galaxy cluster,RX J1416.4+2315. Radio observations were carried out using Giant MetrewaveRadio Telescope (GMRT) at two frequencies, 1420 MHz and 610 MHz. A weak radiolobe that extends from the central nucleus is detected in 610 MHz map. Assumingthe radio lobe originated from the central AGN, we show the energy injectioninto the Inter Galactic Medium (IGM) is only sufficient to heat up the central50 kpc within the cluster core, while the cooling radius is larger ( $\sim$ 130kpc). In the hardness ratio map, three low energy cavities have beenidentified. No radio emission is detected for these regions. We evaluated thepower required to inflate the cavities and showed that the total energy budgetis sufficient to offset the radiative cooling. We showed that the initialconditions would change the results remarkably. Furthermore, efficiency ofBondi accretion to power the AGN has been estimated.

AGN activity and IGM heating in fossil cluster RX J1416.4+2315