ExclusiveSubsea damage delays ONGC’s $5 billion flagship deep-water projectStart-up of KG-DWN-98/2 deep-water scheme could be delayed until the end of this yearSubsea incident: ONGC chief executive of Arun Kumar Singh.Photo: ONGCNishant UgalIain EsauFabio PalmigianiNew Delhi/London/Rio de Janeiro