After a long research, Acharyasree Pawan Chandra
developed a revolutionary formulae for calculating probable DATE OF MARRIAGE of
any individual from his Birth Details (Date of Birth, Time of Birth, Place of Birth).
Also his Research on Birth Time Rectification,
can rectify Time of birth to fractions of second. Vivaha Sutram & Samay Sutram,
are the Softwares based on this research.