Yes.If they are willing to convert.If they aren't atlwast they should proclaim that they have common ancestory with Hindus and reverence for Hindu Gods.
Like minded people like me jointly run a nationalist website.We arranged many programmes in Delhi and other cities for Internet Hindus(A term coined by Sagarika).He has been a chief guest and a speaker many a times.
I know Dr Swamy pretty closely as he has many a times helped us by coming at our programmes as a Chief Guest.He is a reknowned economist and single handedly brought UPA govt at its knees.
He knows what he is saying.
Strange.I find Banguluru a suitable city for a foodie.I tried Dosa at MG Road once,it was great.Last month I tried one joint at Cubbon Road,that was okay-ish.