As per my suggestion both institutes are best for you. If you are looking for engineering course both engineering institutes are best for you.

PTU is a state University and in other hand Punjabi University is public University.

The PTU or I. K. Gujral Punjab Technical University is a State university located at Kapurthala highway, Jalandhar, India. It was established by an act of State Legislature on 16 January 1997, to promote technical, management and pharmaceutical education in the state of Punjab at the degree level and above.

And in other side the Punjabi University is a higher education institute located in Patiala, Punjab, India. Punjabi University teaches and researches in science, engineering and technology, humanities, social sciences, performing arts and sports.

Detail about both Universities:

I. K. Gujral Punjab Technical University detail:

Motto Propelling Punjab to a prosperous knowledge society.
Type State university
Established Under act of State Legislature on 16 January 1997
Affiliation UGC, ACU, IAU, AIU, AICTE, NAAC, COA, PCI,
Students 5 Lac
Location Kapurthala highway, Jalandhar, India
Affiliations UGC,ICU, ACU, AIU, AICTE, NAAC,COA,PCI


Punjabi University detail:

Motto Education Empowers
Type Public
Established 1962
Chancellor Governors of Punjab (India)
Vice-Chancellor Jaspal Singh
Students 20000+
Location Patiala, Punjab, India
Campus Urban
Affiliations UGC