I got etc branch in cv Raman college Bbsr,, but Bsc in physics honrs in govt auto college which is best and preferable

It depends on your interest & capability. Both courses have its own value in its field. B.Sc Physics is graduation degree while B.tech is a professional Degree. ETC Scope is increasing day by day since where people loves mobiles and gadgets accordingly you can choose in both of them.
If you are interested for B.tech programme then CV Raman is a good college for Engineering in term of Faculty, Placement & industry Exposure. It has AAAA rating For the genuine reviews of the college you can go through with given below link.
CV Raman College