Slokas on Saint Tyagaraja, kamalamba pancadasakshari stotram, Sri vidya stotram,

Slokas on Tyagaraja, kamalamba pancadasakshari stotram, Sri vidya stotram, Dharmasamvartini stotram, sri sita Lakshmi stotram etc can be found here:

https://docs.google.com/viewer?a=v&pid=forums&srcid=MTQyNTE0MTcxODQxNzMxMDM3MDQBMTYwMDk3NDI4OTM3ODI1ODI1ODYBRkVCQzhwZnNBd0FKATAuMQEBdjI

Introduction of Smt.Pushpa Srivatsan can be had here:

http://sanskritdocuments.org/sites/pushpasrivatsan/

https://en.wikipedia.org/wiki/Pushpa_Srivathsan