Best way to go to Shimla from Hyderabad Economically

Day 1
Secunderabad to New Delhi *** APEXP Departure 06:25 *** Train No 2723

Day 2
Arrival New Delhi at 09:05 Shift to Old Delhi and board into HotelDelhi to Kallika ***HWH-DLI-KLK-MAI Departure 20:45*** Train No 2311

Day 3
Arrival Kallika at 04:40
Kallika to Shimla *** SHIVALIK-DELUXE-SUPER-FAST Departure 05:30 *** Train No 241NR
Arrival Simla at 10:15 and board into Hotel and Site seeing

Day 3
Site seeing

Day 4
Site seeing

Day 5
Site seeing

Day 6
Bus or Taxi to Kalika
Arrival Kalika at 10:00
Kallika to New Delhi *** PASCHIM EXPRESS Departure 10:10 *** Train No 2926A
Arrival New Delhi at 16:55
New Delhi to Secunderabad *** APEXP Departure 17:35 *** Train No 2724

Day 7
Arrival Secunderabad at 19:15
board into Home