Why such random sa pronunciation? Being a professor, you must be consistent. For example: rasa, sujane, basanta have dante-sa, but the pronunciations were like taalabe-sa. Some other words like prasanga, bastra were pronounced correctly like dante-sa. Words like କୃଷ୍ଣ, କଷ୍ଟ have murdhane-sa and have different pronunciation. Otherwise pronounce all 3 sa equally, which is easier and Odias do that typically. Please correct me if i am wrong.