Kolkata, Nov. 2 -- Former international umpire Simon Taufel has backed India's decision to finally set aside their apprehensions and take to Day-Night Tests, saying high performance sport is all about taking educated risks in order to develop the cause and keep it running.

"High performance modern business is about pushing the envelope. It's about going places where we haven't been before and taking educated risks. We take that based on research and what the customers want," Taufel told IANS in an interview here on Saturday.

The five-time ICC Umpire of the Year is in the city to launch his book titled "Finding The Gaps".

"We know if we don't do anything about Test cricket, it's under threat. It is facing some challenges. We could be do...