From protecting himself from the humiliation, Sastry should have left not informing anyone. 
fɹʌm pɹʌtɛktɪŋ hɪmsɛlf fɹʌm ðʌ hjumɪlieɪʃʌn,  ʃʊd hæv lɛft nɑt ɪnfɔɹmɪŋ ɛniwʌn. 
 Indian speaks with a very monotone voice in a recording where the sound is very clear and close to the microphone.