Neeranjanam-coconut Lamps At Home?

Hello Ilites,

Please help me, The astrologer advice me to do neeranjanam at home.ie,lite coconut lamps filled with nalla aennai, the coconut to be kept on a silver,brass or banana leaf with pacharisi, Plz let me know if this could be performed at home and will it cause any bad effects. My mil would not let me do this saying it should not be done at home.The astrologer adviced to put it at home only. in the early morning hours 4 to 6 a.m.Plz help