Prepare Birth chart in English/Nepali in Few Second on the basis of surya sidhhanta. Developer: Surya Panchang karyalay and Sujit kumar jha. How to use Kundali Darsan: Entetr your name. Double tap on the date cell to enter birth date. Double tap on time cell to enter birth time in Iswi sambat. Select date from calendar displayed below for Bikram sambat.