Information we use is all in 'public domain', Cambridge Analytica's India affiliate tells WION

WION New Delhi, Delhi, India Updated: Mar 22, 2018, 07:51 AM(IST)
It is very easy to understand past 'booth behaviour', none of it is 'rocket science', Ovlene Business Intelligence (OBI) CEO Amrish Tyagi told WION. 
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