Jailed gangster Sanjeev Jeeva, an aide of gangster-politician Mukhtar Ansari, was shot dead on Lucknow court premises on Wednesday. The 48-year-old was accused in 24 criminal cases, including the murder of BJP leaders Brahm Dutt Dwivedi in 1997 and Krishna Nand Rai in 2005. He was convicted in the murder case of Dwivedi and was acquitted in murder of Rai.