For BTech (CS) this are some of the most well reviewed colleges on internet:

(1) IET CS

(2) IET IT

(3) SRMCEM CS

(4) SRMCEM IT

(5) Amity CS~ BBDNITM CS

(6) Amity IT~ BBDNITM IT

I hope my answer helps you. All the vert best for your future endeavors!

hello aspirant

yes there are many good btech cse colleges in lucknow

here are some colleges

• institute of engineering and technology , lucknow
• amity university , lucknow campus
• integral university
• IIIT lucknow
• RR Group of institutions
• university of ,lucknow
• babu banarsi das university
• maharishi institute of information technology
• GITM lucknow

for more colleges check the link https://engineering.careers360.com/colleges/list-of-be-btech-colleges-in-lucknow