The match is as follows: (A) Howrah Conspiracy Case: Involved revolutionary activities in Bengal, notably associated with the Jugantar group and figures like Jatindranath Mukherjee (Bagha Jatin). (B) Lahore Conspiracy Case: There were multiple Lahore Conspiracy Cases. The one involving Bhagat Singh, Sukhdev, and Rajguru (Shivaram Rajguru) in 1929-31 is the most famous, related to the murder of Saunders and the bombing of the Central Assembly. Rajguru is listed among the options. (C) Delhi Conspiracy Case: Also known as the Hardinge Bomb Case (1912), involving the bombing of Viceroy Hardinge. Prominent figures included Rash Behari Bose, Master Ami Chand, Abadh Behari, Bal Mukund, and Basant Kumar Biswas. Master Ami Chand was one of those executed. (D) Alipore Conspiracy Case: Also known as the Muraripukur Conspiracy or Manicktala Bomb Conspiracy (1908), it involved Aurobindo Ghosh, Barindra Ghosh, and others from the Anushilan Samiti group in Calcutta, dealing with manufacturing explosives and planning attacks. Arvind Ghosh (Aurobindo Ghosh) was a key figure, though later acquitted.