National Security Adviser Ajit Doval has recalled one of the most difficult episodes of his early intelligence career, when a team sent on a border-surveillance mission in Sikkim was taken into Chinese custody. Doval shared the experience while addressing the convocation ceremony of IIT Roorkee on September 19, 2026, describing how the incident left him convinced that his professional career could be over. Doval said he was in his twenties at the time and was a young IPS offi