A Delhi court today allowed the custodial interrogation of two JNU students, Umar Khalid and Anirban Bhattacharya, arrested in a sedition case, by one more day.The court extended the police custody of the duo after police contended that they were required for further probe in the case to unearth the larger conspiracy.<br/><br/>The police has claimed that around 22 people present at the flashpoint JNU event, including some outsiders, have been identified after the joint interrogation of Khalid, Anirban and JNUSU President Kanhaiya Kumar arrested in the same case. Khalid and Anirban are in police remand since their surrender and subsequent arrest on February 24.