Which engineering branch should I choose if I am good in Maths?

If you are interested in geometry trigonometry then civil, mech and elec is more preferable. But for logical mathametics all electronics and computer related subjects are preferable.

mechanical is better....

Computer science will be the better option for you.

if you are good in maths then every engineering branch is good for you. you can choose whatever you like.

It is based on your interest, if you are interested in machines and tools then opt for mechanical or automobile engineering, but if you have interest in construction pursue civil engineering.

You should go for mechanical stream.

Maths is common factor in all engineering branches......If you are good at mathematics....you can easily choose whatever you want.....but for your kind information CIVIL and MECHANICAL have deeper mathematical concepts........

In Engineering, mathematics is the common subject for all streams for the 1st year and then subjects get different depending on the core stream like if you chose IT then all the subjects will be related to IT only and in Electronics, all the subjects will be related to it only. If you want to pursue

You can choose civil, mechanical, production branch of engineering.

In engineering, everything is about about applied physics. In applied physics, almost everything is maths. You try for B.Tech in physics which is only in IITs. Or else, go for mechanical or electrical.