Brar, 78, was attacked as he walked with his wife Meena, in Old Quebec Street, central London, on September 30, 2012. Mandeep Singh Sandhu, 34, of Birmingham and Dilbag Singh, 37, Harjit Kaur, 39, of London were convicted of wounding with intent at Southwark Crown Court. Barjinder Singh Sangha, 33, of Wolverhampton, had admitted the charge.

The jury of nine women and two men took just an hour to convict the trio. Lt Gen Brar was involved in a controversial military operation - Operation Blue Star - against Sikh militants in Amritsar in June 1984.