I think it will be a big blow to the cricketing world if India backs out from the tour..Well, If you guys can remember how many wrong decisions  happen in the Indian subcontinent?..especially with bat-pad catches from the bowling of spinners..Previously,Indians had local umpires  even for test matches  in India ..They used to make so many wrong decisions against the visiting teams...Nobody raised  a strong voice against those...However, its a different scenario in the present series.. Its India playing and people as well as media are crazy about cricket in India ..For the future references, new ways should be imposed to eliminate wrong decisions...For example, if a batsman strongly  feels  he has been given wrong decision ,may be , he can appeal the decision to the ground umpires ..Consequently, ground umpires can call for third umpire....However, problem still remains  if the batsman is adjudged not out although he was technically out..