Karava of Sri Lanka. Karava kings, rulers and Sub-kings. Individuals who were addressed as PatabÃ¤ndigÃ© / Patabendige (also referred to as Patangatim, Pattangatti, Pattankatti in historical sources) were the traditional kings, rulers and sub kings of Sri Lanka.
Evening casual dress is considered dressy, but not formal. Formal wear would include long gowns and full tuxedos. Evening casual is more relaxed and includes things like sports coats and cocktail dresses. To envision evening casual, think about what someone would wear for a nice dinner out.
The dress code considered formal in the evening is white tie. In the UK, morning dress is standard formal day time clothing (a lounge suit being still considered informal dress), but in the US/Canada morning dress is rare, having been replaced with the stroller and then the lounge, or business suit.