Can consult me privately for proper management and prescription

There may be several causes and as its painless and movable its most likely Lipoma (mostly a benign swelling with fat deposition -if not associated with symptoms ), another possibility is of Tuberculosis -cold abscess. Both of them require Surgeon consultation to finalise diagnosis.It may be due to other rare causes too can't say much without knowing in detail.

That can be a palpable lymphadenopathy. It should be examined and any ch. Disease/malignancy should be ruled out. It can be nothing or it can be everything.

Consult general surgeon