Thanga Durai, an ardent devotee of Lord Venkateswara is going to donate Swarna Surya Katari, a gold sword, to Lord Balaji on Tuesday. According to sources, silk cotton merchant Thanga Durai from Theni district, Tamil Nadu, spent nearly Rs 2 crore to have the Swarna Surya Katari made of 6 kg gold. Sources revealed that the devotee would hand over the sword to TTD officials during Udayasthamana Seva, on Tuesday. Thanga Durai earlier donated many jewels worth Rs 5 crore to the temple.