My wife is coming with me to Delhi. During my business meetings she would like to go to Agra/Taj Mahal on a day trip. We are staying at a really nice business hotel who charges $450 usd for a private trip with driver. However she would rather go with a large group on a bus and spend less money, or even by train (but again not by herself). Can you suggest any one day group tours by bus or train (safe for women) that leave and return any part of Delhi during the week?