It was a perfect touchdown on the home turf. Indian-Amercian astronaut, Sunita Williams finally arrived in Ahmedabad on a six day Gujarat visit.Hundreds welcomed her with thunderous applause at the Gandhi ashram, which she visited on Thursday. Kids in uniform waited eagerly to hear what their icon had to say, and she did not disappoint them.''There is no border visible from the top, the border is only on our mind. You can do what you believe in,'' said Sunita Williams, Astronaut.