In Chennai's RK Nagar bypoll, was a Rs 20 note the gamechanger?
 

http://static-global-s-msn-com.akama...=f&x=494&y=201Last month, Chennai's RK Nagar elected Independent candidate TTV Dhinakaran as MLA defying traditional logic and political arithmetic. Uma Sudhir investigates how a 20-rupee note may have done the magic and why people here are still safeguarding it like a guaranteed lottery ticket.

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