Welcome Saha:
Start at the download section:
http://www.papermodelers.com/forum/v...p?categoryid=3
Also you may want to visit a few Japanese sites from their ministry of defense, and do not be afraid of the Japanese characters, you already know Sinhalese!
大湊地方隊:ギャラリー【ペーパークラフト】
ペーパークラフト | お楽しみコーナー | 防衛省・自衛隊 キッズサイト
Then you may want to buy downloads (easier if you are overseas) or printed models (which are very rewarding and there are tons of options).
Hope that you achieve soon the mastery of Tino.