MEERUT, April 12 -- Amroha police registered a case against four people late on Thursday night in connection with an alleged knife attack on Bharatiya Janata Yuva Morcha (BJYM) district chief Shubham Chaudhary during a bike rally that the BJYM organised as part of BJP's ongoing foundation day celebrations in Hasanpur area of that district on Thursday evening, police said on Friday....