New Delhi, Sept. 25 -- The UK Crown Prosecution Service (CPS) has closed the extradition case against Hajra Memon , wife of Iqbal Mirchi-underworld don Dawood Ibrahim's former aide and international drug trafficker-and her sons, Junaid and Asif Memon, citing legal infirmities in India's request, according to people familiar with the matter. Following the CPS communication asking Delhi to submit a fresh, rectified extradition request for the three fugitives, the ministry of home affairs (MHA) has sought a response from the Enforcement Directorate (ED) on a "priority basis." "The CPS and the UK's National Crime Agency, which handle extradition cases on behalf of the Indian government before British courts, have recently informed us that the extradition request for Hajra, Asif, and Junaid Memon contains certain legal infirmities that could jeopardise court proceedings and render the entire exercise futile. They have asked us to send a revised request promptly, covering all legal aspects without loopholes," said a senior government official, requesting anonymity. The official added, "MHA is closely monitoring the matter and has asked ED to respond on priority basis." Mirchi, a close associate of underworld don Dawood Ibrahim, was involved in drug trafficking and extortion operations for the latter before his death in the UK in August 2013. Mirchi owned properties in Mumbai, the UAE, and at least 16 locations across the UK, ED said. In 2020, the agency attached assets worth Rs.776 crore belonging to the family. ED registered a money laundering case against the Memon family in 2019, linked to alleged illegal transactions in purchase....