Karnal (Haryana) [India], September 20 (ANI): As the campaihn for the Haryana assembly elections enters the final phase, Congress leader Rahul Gandhi on Friday morning arrived and paid a surprise visit at the residence of Amit Singh’s son Veer Singh’s house in Gogripur village here and fulfilled his promise made in the United States to Amit. The Lok Sabha LoP had met Singh while on his US visit. Amit Singh had gone to America one and a half years ago, where he had met with an accident and was injured. On his meeting with Rahul Gandhi, Singh was promised that Gandhi would visit his house and vi…