In India, among the following locations, the Dutch established their earliest factory at

1 The Dutch East India Company established several trading posts or 'factories' in India. 2 Their earliest factory was established at Masulipatnam (in modern Andhra Pradesh) in 1605. 3 However, among the given options, the Dutch established a significant factory at Pulicat (Palaverkadu, in modern Tamil Nadu) in 1610, which soon became their principal base on the Coromandel Coast. 4 They established factories in Surat (1616), Cochin (captured from Portuguese in 1663), and Cassimbazar (Kasim Bazar, Bengal) later (around mid-17th century). 5 Given the options, Pulicat represents the location of their earliest major establishment among the choices provided, becoming their headquarters before it shifted to Nagapattinam.