Thank you Mr. Sanjana more but can you tell me names of their colleges in himachal pardesh with minimum fee

You can get cheapest fees structure mostly in the government colleges, other private colleges have more than 4000/year fees for BCA.
Here are some government colleges in himachal pradesh and their approximate fees structure so please check this out:

Lal bahadur shastri govt college - 12000/year
MP govt college - 13500/year
Vallabh govt college - 13300/ year

Hope this helps!