Which caste does surname karmakar belong to?

karmakar are sonar by caste.

they basically deal in jewellery

Karmakar (Bengali: কর্মকার) is a Bengali Hinducaste spread throughout West Bengaland Bangladesh. The Karmakars are traditionally blacksmiths brassmith,bellsmith,goldsmith etc.by trade. While some of them use Karmakar as their family name, others use *Rana, Das, Roy, Mullick ,Kamilya ,Roy-karmakar, Das-karmakar,Dey-karmakar etc.

• **Lohar-Kamakars-who work in iron;(It should remember that all Lohars are Karmakar but all Karmakars are not Lohar).
• Pitule-Kamakars-who make brass utensils;
• Kansari-karmaka-who work in bell-metal;
• Sarna-Kamakarrs-who work in gold;

Of these groups the first Four intermarry,

While all the rest are endogamous

• Ghatra-Kamakars-who make imitation fruits, iron figures of owls and other birds used in the worship of Lakshmi, and kajlnutis or iron snuffer-shaped vessels for collecting lampblack ;
• Chand-Kamars-whose specialty is the manufacture of brass mirrors;

· Dnokras and Tamras:two lower classes of Kamakars found in the Jungle Mahals in the west of the district of west Bengal and other rural part of India who eat fowls, are reckoned unclean, and are served by a' degraded class of Brahman.

The Karmakars (frist Four Groups) are one of the nine trading castes that constituted the Navashākha. The Brihaddharmapurana categorizes the Karmakars in the upper tier of the pure castes hierarchy. According to the Brahmabaibartapurana,implying that Brāhmanas can dine at their household.