இங்கே வா

It is only rude if used with someone older or a stranger. With friends and children, it is perfectly normal.

'Inge' is the formal/written form, while 'Inga' is the common spoken version.

It's risky. Most Tamil speakers would still use 'vaanga' to show professional respect.

You must use the plural form: 'Inge vaanga'.

Yes, in casual speech, people often just say 'Vaa!' while pointing to the ground.

The opposite is 'Ange po' (Go there).

Yes, 'Inge vaa' is the standard way to call pets.

Add 'aa' to the end: 'Inge varuvaayaa?' (Will you come here?)

Yes, though they often say 'Ingai vaa'.

Yes, reversing the order is common for emphasis, like 'Come, here!'

Quickly correct yourself to 'vaanga' and apologize with a small nod.

Yes, 'Inga vaada' (for males) or 'Inga vaadi' (for females) is very common among close friends.