Pass certificate of qualifying means the certificate of what you qualified in recently. If you are seeking for admission in a graduation program then it shall be the certificate of 12th and if for post graduation program then it would be of graduation certificate. 

Hi thakur

To reserve a seat in any college in hpcet you have to lock seat Online through online counselling or by attending the offline counselling of hpcet.

click the following link to get more information 

https://www.google.com/amp/s/engineering.careers360.com/articles/hpcet-reservation-criteria/amp

No there is no age limit for appearing for HPCET. 

Other criteria for HPCET are 

Following criteria had to be met if the candidates wished to appear in the HPCET 2019 examination.

• Candidates must have passed their Class 12 th or equivalent from a recognized college or board
• Candidates must have secured at least 45% marks in the qualifying examination. 5% relaxation is given to the candidates belonging to the reserved categories
• Candidates must have Physics and Mathematics as a compulsory subject along with one other – Chemistry/Biology/Biotechnology/Technical Vocational Subjects

Important: If the aggregate percentage for candidates is coming in the fraction, in such case, the candidate must round off their percentage to the nearest percentage of marks. For example, candidates having aggregate marks in the range of 44.01% - 44.49%, it shall be rounded off to 44% and 44.50% - 44.99% shall be rounded off to 45%.

RGGEC in terms of infrastructure campus and environment and jngec interms of faculty and old record. RGGEC is new but things are going change now RGGEC is becoming one of the top engineering College in H.P

Hi Taniya Bhardwaj,

The councelling for HPCET will take place in three places. They place in which you should attend the counseling will be mentioned to you. The three places where councelling takes place are

• Himachal Pradesh Technical University
• Auditorium - 1 Government polytechnic
• Auditorium - 2 Government Polytechnic

To know in which centre you might get check out this link

https://engineering.careers360.com/articles/hpcet-counselling

Yes you can attend counseling in spite of your marks/percentile. But the colleges that you will get wouldn't be so good. You will have to try through several quotas including vacancy and institute level rounds. According to the elligibility criteria, it's just the 12th standard marks that matter.