Return back

'back' is redundant. To the best of my knowledge, 'return' cannot be used with 'again'.

Partridge cites return back as an example of tautology in "Usage and Abusage".
Her accent is more Indian than British.

I agree with Blue Jay that she is not a native English speaker.

Edit: 'back' is redundant. To the best of my knowledge, 'return' cannot be used with 'back'.

Thanks, tamguatlay and Blue Jay.

tamguatlayI agree with Blue Jay that she is not a native English speaker.

Surely she is a native speaker of English -- Sanjana is the daughter of Jennifer Kendal and niece of Felicity Kendal. She worked in many British films as a child. I assume that her accent has been heavily influenced by Indian English/culture because she has

Thanks, Mr Tom.

You assume that her accent has been heavily influenced by Indian English/culture because she has spent almost all her life in India.

I agree with you that she has been influenced by Indian English and culture.

She seems to have a native-speaker level of English, but she doesn't sound like a Brit at all. It might be that her Indian accent becomes especially pronounced when she is in India addressing an Indian audience.