Hello Kusum !

The best colleges for pursuing diploma  in optometry from Chandigarh  are :

1. Chitkara School of Health Sciences, Chandigarh
2. Bachelor of Optometry (B.Optom.) at Chandigarh University (CU)
3. GMCH Chandigarh - Government Medical College and Hospital

If you want more information regarding these colleges you can visit the following links :

https://www.careers360.com/colleges/chitkara-school-of-health-sciences-jhansla

https://www.careers360.com/colleges/government-medical-college-and-hospital-chandigarh

hope it helps !