Tragic train collision: 14 dead, 50 injured in Andhra Pradesh.
Overshooting red signal caused the devastating accident.
Delayed response hindered rescue efforts, contributing to casualties.
Prime Minister Modi and Chief Minister Reddy offer condolences.
Immediate relief measures and medical care initiated for injured.
Helplines and NDRF mobilized to assist in the relief.
Ex gratia payments announced for victims' families and injured.