can I jion m.arch after completion of b.tech(civil engineering)
The Minimum eligibility criteria to pursue MArch course is that candidate must have completed their bachelor's degree in Architecture (BArch) from a recognised university, candidate must have secured atleast 50% aggregate in the qualifying exam, also every college has its own eligibility criteria, so eligibility criteria for MArch differs from university to University.
For more relevant information, you may visit here:
https://dqxeclau.top/courses/m-arch-master-of-architecture
Hope this helps, all the best.