The word written beside is "PREM" in bengali meaning love,the second altar is of Maa Adya (Jagatjanani)beside this altar written is "GYAN" in bengali meaning eternal knowlege & "KARMA" in bengali meaning deed or act,the third is of "GURU" means our teacher who leads us to patha of light which is of Sri Ramakrishna.
The activities of Adyapeath reflects all three i,e With love and faith,along with the knowledge received by our teacher serve to bring the deprived ones to the light of knowledge.