Shiv Sena (UBT) leader Aaditya Thackeray on Friday claimed Maharashtra Chief Minister Devendra Fadnavis's allegation made in the context of the Congress's Bharat Jodo Yatra showed the Centre's failure in not knowing about terrorists operating in the country. Fadnavis had on Thursday alleged that some organisations, which were declared as the frontal organisations of urban Naxals by the Congress-NCP government in Maharashtra and the Manmohan Singh government at the Centre, participated in the Bharat Jodo Yatra. Talking to reporters on the Vidhan Bhavan premises, Thackeray said the attack on the Congress's office in Mumbai came about after Union Home Minister Amit Shah's remark on Dr Babasaheb Ambedkar. Bharatiya Janata Party Yuva Morcha (BJYM) workers on Thursday vandalised a Congress office in Mumbai, claiming the grand old party had always insulted Ambedkar. A massive political row erupted on Wednesday after the Congress and other opposition parties launched an all-out attack on S