Lohit district all pin code and postal code list Tafragam B.O Tindolong B.O Loiliang B.O Danglat B.O Changliang B.O Yealing B.O Sunpura S.O Gohaingaon B.O Lohitpur B.O Wakro B.O Tezu Govt. College B.O Tezu S.O