Suman, Borla This is an intriguing jewelry which is worn in the middle parting of the hair. It’s One piece which has a hanging ornament at one end and a simple hair pin at the other end fastening the hook. The pin is attached so that the ornament dangles at the hairline or upper part of the forehead. This is a beautiful Accessory that has different names in different parts of the world. These round ones are called Borla.  
The above featured one are Emerald green Color Meenakari and have Glass Stone work on the Borla, Bindi, Tikka, Maang Tikka. 
Meenakari being the art of ornamenting and coloring the metal by intricately fusing bright and happy colors. 
Borla style Maang Tikka length is