Civil Engineering

Yes, of course there are many post-graduation courses in Canada for civil engineering as well as other engineering. Just go on google and type study abroad in Canada, you will find many colleges and universities.

Of course, lateral entry syllabus is same as B.Tech for every branch.

Yes, there is lateral entry programme for B.Tech.

You have to appear in any state or national level entrance exam (JEE Mains, JEE Advanced) .Pass the exam with qualifying marks so, you can eligible for admission in any government or private college.
The age limit for entrance - 18 years.
(For B.Sc candidates the limit is - 21 years.

Chances are less for BBA after Diploma, but I will suggest you that go for B.Tech in civil engineering, because as compared to BBA, Civil is much better because after B.Tech in civil engineering, the job prospects are more as well, as through your B.Tech degree, you can get PWD license, and by that you can set your future. So, choice is yours.

Please click the link below to check the colleges offering BE/B.Tech under Allahabad University. https://www.shiksha.com/university/au-allahabad-university-3574/courses/be-btech-bc.

For colleges offering designing, click below. https://www.shiksha.com/design/colleges/colleges-india

Hi,
The applications will begin in the month of March between 20th March-20th April.

Canada is best for civil engineering as construction work goes on in Canada, so in terms of job prospects also it is beneficial.

The link here of UEM Kolkata https://www.shiksha.com/university/university-of-engineering-and-management-kolkata-47398/courses/engineering-s?uaf[]=sub_spec&ts=88148035&rf=filters&ss[]=sp_90 will help you to find the best management programme with civil engineering.