KOLKATA: A 35-year-old man entered a house and randomly stabbed his 28-year-old "girlfriend" multiple times before he reportedly jumped from the fourth-floor balcony on Tuesday around 8.15 am in the Posta area of central Kolkata.The man, Vicky Sharma, a resident of Jagmohan Mullick Lane, was taken to a nearby hospital in a serious condition, where the attending doctors declared him dead. Meanwhile,...