Ludhiana Mar 30 PTI The NIA on Wednesday conducted searches at two locations in Ludhianas Khanna in connection with a bomb blast last year in which one person was killed and six others injuredThe case pertains to the blast that took place at the District Court Complex Ludhiana on December 23 last year a spokesperson of the National Investigation Agency saidDuring probe it was found that the person who died in the blast was Gagandeep Singh of Khanna in Ludhiana district and he died while planting the bomb the official saidDuring the searches several incriminating documents and digital evidence from mobile phones were seized the spokesperson said adding that further investigation in the case continues PTI CPS SKL ANB ANB