They have customs many people consider "strange," but there's a reason behind all of them.
Jews are Jewish and non-Jews are a different religion.
No, Brahmins are not Jews. Brahmins are Hindus, and are not Semitic. Jews are Semitic, and have an entirely different, monotheistic religion. There are links below.
The religion of Jews is Judaism.
A couple of examples: they need to pray in the morning and to have a vacation on their holy days.
Nothing. Just regular kosher English foods.
Jews religion is called Judaism.
Yes.See also:What was the Jews' reaction to Jesus?
Practicing Jews will only eat kosher foods.
True Christians do not hate Jews. Nominal Christians may hate them because they are a different religion.
It is the religion of the Jews.
The Jews religion
The religion is Judaism. The people are Jews.