jay kantaria , from harrow , north-west london , had been looking forward to his daughter 's birthday party when he leapt onto the tracks at his local station of sudbury hill .
but a coroner recorded an open verdict on the cause of death , saying there was ` doubt ' as to mr kantaria 's intention when he jumped as a train tracks last october .
north london coroner 's court in barnet was told the businessman had ` recently ' left his senior position at baring asset management to start a career property development .