▁visit ▁many ▁legend ary ▁areas ▁of ▁Tib et , ▁including ▁the ▁Th ok ▁J al ung ▁gold fields ▁on ▁ 2 6 ▁August ▁ 1 8 6 7 . ▁He ▁would ▁later ▁say ▁that ▁Th ok ▁J al ung ▁was ▁the ▁col dest ▁place ▁he ▁had ▁ever ▁visited . ▁ ▁N ain ▁Singh ▁was ▁a ▁cousin ▁of ▁Kr ish na ▁Singh ▁Raw at ▁( 1 8 5 0 - 1 9 2 1 ), ▁also ▁an ▁expl orer ▁and ▁cart ograph er , ▁who ▁was ▁first ▁to ▁map ▁the ▁Ram gar h ▁cr ater ▁on ▁a ▁fin er ▁scale ▁of ▁( 1 ▁: ▁ 6 3 , 3 6 0 ). ▁ ▁Leg acy ▁On ▁ 2 7 ▁June ▁ 2 0 0 4 , ▁an ▁Indian ▁post age ▁stamp ▁featuring ▁N ain ▁Singh ▁was ▁issued ▁comm emor ating ▁his ▁role ▁in ▁the ▁Great ▁Tr ig on ometric ▁Survey . ▁In ▁ 2 0 0 6 , ▁She k har ▁Path ak ▁and ▁U ma ▁Bh att ▁brought ▁out ▁a ▁bi ography ▁of ▁N ain ▁Singh ▁with ▁three ▁of ▁his ▁di aries ▁and ▁the ▁R GS ▁articles ▁about ▁his ▁travel s ▁in ▁three ▁volumes ▁titled ▁Asia ▁ki ▁Pe eth ▁Par ▁published ▁by ▁P ah ar , ▁N ain i ▁Tal . ▁ ▁The ▁N ain ▁Singh ▁Range ▁of ▁mountains ▁south ▁of ▁Lake ▁P ang ong ▁are ▁named ▁in ▁N ain ' s ▁honour . ▁ ▁On ▁ 2 1 ▁October ▁ 2 0 1 7 , ▁Google ▁celebrated ▁N ain ▁Singh ▁Raw at