Get to Know about Nepal
Read monthly and Daily news papers of Nepal in Nepali / English and if possible Nepalese Regional Languages
Watch Nepali TV
Use this tool to get your missing digit(s) of SIN. Its reasonable that you might forget some of the digits and you may need it in urgency.
Listen Nepali Radio
Read a vairety of articles related to SIN raiging from wikipedia's LUHN algorithm to Service Canada's link.