Doctors planned 'D-6' attack on 6 cities, woman doctor was called 'Madam Surgeon'
The white collar terror module of doctors linked to Delhi car blast, were preparing to carry out a major attack on six Indian cities on December 6 and codenamed the operation 'D-6', reports said. Arrested suspects Dr Shaheen, called 'Madam Surgeon' by her aides, and Dr Umar were reportedly central to the plot. Explosives were codenamed 'medicines', NDTV reported.