बेंगल लेन्सनि केप्टेइन जेम्स फर्सितजों जेब्ला बे दुलुर महरनि सेरफांआ दिहुनजादोंमोन, बेयो 1857 नि सिगां नङामोन।
It was not before 1857, when this saucer shaped valley was discovered by Captain James Forsyth of the Bengal Lance.