Sheet 103K & J : Sheet E-48M & G Nongkhai HIND 1001 First Edition 1943. 1st Edition Dehra Dun 1943 (January). HIND 1001. Compiled and drawn FMS&SSSD Malaya and completed with additional information at Dehra Dun. Edition date January 1943. Reg.No.447 X.D.D.43 (1/3")-X. Grid IIIB (Yards).