In that case, Itinerary followed can be as mentioned below.
Delhi to Narkanda – Day 1.
Narkanda to Chitkul – Day 2.
Chitkul to Nako – Day 3.
Nako to Kaza – Day 4.
Kaza to Kibber / Komik / Langza / Hikkim to Kaza – Day 5.
Kaza to Kalpa – Day 6.
Kalpa to Shimla – Day 7.
Shimla to Delhi – Day 8