ils a ▁( B es n agar ), ▁San chi , ▁E ran , ▁U day ag iri , ▁Ben ares , ▁S arn ath , ▁Al la hab ad , ▁Bh it ari , ▁Del hi , ▁Kal si , ▁Math ura , ▁A gra ▁and ▁G wal ior . ▁At ▁G wal ior , ▁his ▁wife ▁fell ▁seriously ▁ill , ▁and ▁he ▁had ▁to ▁return ▁to ▁Bomb ay ▁via ▁Al la hab ad ▁in ▁March ▁ 1 8 7 2 . ▁ ▁After ▁his ▁wife ▁recovered ▁from ▁ill ness , ▁Bh ag wan ▁L al ▁again ▁set ▁out ▁an ▁expedition ▁in ▁December ▁ 1 8 7 3 . ▁Once ▁again , ▁the ▁pr inc ely ▁state ▁of ▁Jun ag ad h ▁agreed ▁to ▁spons or ▁the ▁journey . ▁This ▁time , ▁Bh ag wan ▁L al ▁visited ▁Nep al , ▁Ind o - T ib et ▁border , ▁Bal uch istan ▁and ▁the ▁Y us uf za i ▁territory . ▁He ▁also ▁visited ▁the ▁Bar ab ar ▁and ▁Nag ar j un ni ▁C aves , ▁G aya , ▁Bod h ▁G aya , ▁K ash mir ▁and ▁Tax ila . ▁ ▁Bh ag wan ▁L al ▁was ▁a ▁pione er ▁in ▁Ash ok an ▁studies . ▁He ▁discovered ▁the ▁arch ae ological ▁sites ▁at ▁B air at ▁and ▁S op ara . ▁He ▁exc av ated ▁S op ara ▁and ▁published ▁an ▁exc av ation ▁report . ▁He ▁was ▁the ▁first ▁Indian ▁to ▁exc av ate ▁and ▁publish ▁the ▁report