Pakistan today termed as "baseless and fabricated" the Mumbai police finding that ISI masterminded the July 11 train blasts, and said it was aimed at maligning the country."It is totally baseless and fabricated allegations," Interior Minister Aftab Ahmed Khan Sherpao told the media here while reacting to the claims of the Mumbai police."We totally reject it as it is aimed at maligning Pakistan at a time when the leadership of the two countries met in Havana. Such baseless allegations are not going to help," he said.While Pakistan Foreign Office was yet to react, Minister of State for Information Tariq Azam rejected the claim and said that India could provide any evidence it has to Pakistan to investigate.The Mumbai police disclosures came as President Pervez Musharraf returned home today from an 18-day tour during which he visited Brussels, Havana, the US and UK.