this is adambakkam mathi. they follow the pudhukotai bhuvaneswari temple principles..and the ambal is so divine..pleasant to watch..and yes very famous for pournami. the one famous for pournami in madipakkam are kamakshi and seethala devi temple.
there is a kalyana kandasamy temple in balaiyya garden people with chevvai dosham pray here is what i was told by one uncle. There is a murugan temple on 6th main road in nanganallur which is also very famous.
Thanks but is there a temple called oothandeswarar temple. Its small temple but with almost all main deities. I beleive its padal petra sthalam.