Is The CBI At War With Itself?

Investigations have started into allegations of corruption against CBI Special Director Rakesh Asthana, who in turn has accused the Director of CBI Alok Verma. The allegations pertain to going slow on a case against Hyderabad businessman Sana Sathish who was investigated for his connections to Moin Qureshi. How big a blot is this on the credibility of CBI and wh more