எஸ்.என்.என்.சங்கரலிங்க ஐயரின் வாழ்க்கை வரலாறு நூல் வெளியீடு!

The story reports on a local book launch event in India, which is a standard cultural news item. As a regional event, it is expected to be single-sourced and does not require international wire corroboration to be considered credible.