kb only can make a social subject with carnatic music as background be it apoorva ragangal, varumaiyi niram sivappu or sindhubhairavi or umt. last of kb-kamal combo. gr8 movie, though it did not do well in box office.
it is in the raga poorna chandrika. other famous works in this raga are thyagaraja's 'telisi rama chintanatho' and shri ranganatham upasmahe by dikshitar.
it is actually pancha nadeesha paahimam. pancha nadhi eshwarar in thiruvaiyaaru. thiru ai aaru, that is the confluence of 5 tributaries of cauvery. there is a panchanadeeshwarar temple in thiruvaiyaru where thyagarajar used to visit.
