Rectifying the birth time of a native is a vital part in astrology because predictions may change in a time difference of even a few seconds.  Accuracy of predictions and different Varga charts (divisional charts) is totally based upon the accurate birth time of a native.

Birth time rectification is a special technique which requires lot of experience and expertise.  Briefly, this process requires gathering information from the native such as details about parents, death of any close family member, and other significant events in native's life such as marriage, childbirth, promotion, accidents, surgery, etc., and verifying these events from native's horoscope and make corrections to bring the birth time to finest accuracy.  Kuldeep Singh Tanwar at Chakrapani Astrology has been an expert in this method and practicing it for a long period of time, so if you need to correct your birth time to utmost accuracy, please feel free to contact.