Former Officers Question Modi Diktat on Jawans Attending Commanders' Conference "Seeking innovation and novelty", Modi had called for the participation of personnel below officer rank in these meetings, which officials say could end up "diluting" the services command-and-control structure. Union Defence Minister Rajnath Singh at the Combined Commandersâ Conference at Kevadia in Narmada district of Gujarat, Friday, March 5, 2021. Also seen are Chief of Defence Staff General Bipin Rawat and Chief of Naval Staff Admiral Karambir Singh. Photo: PTI. Security05/Mar/2021 Chandigarh: The participation of personnel below officer rank (PBOR) in the ongoing Combined Commanders Conference (CCC) at Kevadia in Gujarat, following a recent government directive, has been widely castigated as “disruptive, disturbing and uncalled-for” by serving and retired Indian military officers.