Tickets are avbl upto Kanpur if journey is made as under:
12059 Kota NZM JNS upto NZM - AVBL
12034 NDLS CNB Shtb upto CNB - AVBL
From CNB to BSB either he can opt for bus or take 19167 Sabarmati, 14006 Lichchavi or 12382 Poorva Second GEN Seating or try luck in Tatkal....