: "Bandas" can refer to a group or a collection of things. In this context, it might refer to a collection of 17 items or categories related to human sexuality.
: Marwadi is a community or a caste found in India, primarily in the states of Rajasthan and Gujarat. They are known for their business acumen and are often involved in trading and commerce. Marwadi Sex Collection 17 Bandas Windows Heart
: I'm assuming this refers to a collection of data or information related to human sexuality. However, without more context, it's difficult to provide a more specific explanation. : "Bandas" can refer to a group or a collection of things