The Kundali or Jatakam is the planetary position at the time of birth. In case of prasna kundali, it is the planetary position at the time of asking a question to an astrologer or the querry is made. Whenever a child is born the family gets janampatri (Jatakam, or Kundali) done for the new born. This practice is followed from ages in a hindu family. This jatakam or kundali is based on hindu vedic astrology. This is also known as a traditional astrology in India. If you have a janampatri prepared by your family priest 99% chances its made using vedic astrology. If you are looking to prepare your vedic kundli please visit http://www.mypanchang.com/kundli/