Both are the good colleges but as per the analyzing report & rating the best option is Chitkara University. For the genuine reviews of the college you can go through with given below links.
Chitkara University, Patiala
UIET Chandigarh

Very beautiful thing about LPU in context of B Arch is that the Architects design homes and buildings and LPU designs the architects' future such is the course of B Arch at LPU. This five-year full-time program is a blend of theoretical and practical knowledge for students to learn the art of planning, designing, and constructing physical structures of various kinds.

At LPU the course design is cutting edge. It deals with topics like comprehending design approach and inter-relationship of function, circulation, structure, material and construction, climatology, services, form, aesthetics, and knowledge inbuilt environment. Interpret the facet of architectural design and urban realm context through schematic drawings, project reports, physical models, and 3 D visualizations.

Analyze and appraise through research, various aspects of anthropometry, building technology, materials, structural analysis and design, history, art, culture, humanities, landscape, assessment methods, architectural computation, and management of resources. Evaluate legal and regulatory framework for application in planning and design of architectural and urban scale projects.

The best part is exceptionally talented students can get scholarships by attempting LPUNEST up to 45 percent of the program fee. Approved by COA (Council of Architecture, New Delhi) B Arch at LPU is a sought-after program. The highest package last year was 7.44 LPA and the average was 5.6 LPA.

Both are the good colleges but as per the reviews & rating you can go for  Tula's University for ECE branch. For the genuine reviews of the college you can go through with given below link.

Tula, Dehradun

Chitkara University, Patiala

In the comparision of Chitkara University Patiala the best option for you is Chitkara University, Himachal Pradesh. For the genuine reviews of both colleges you can go through with given below link.

Chitkara University, Himachal Pradesh

 Chitkara University, Patiala

Chitkara university is a good university but there are other good universities like 

Lovely Professional University, Jalandhar,Narsee Monjee Mumbai,Christ university, Bangalore,Symbiosis University, Pune.

Good Luck