Where was the 3rd round of meeting between officials of India & Pakistan on the modalities for operationalization of the Kartarpur Sahib Corridor held?

The 3rd round of meeting between officials of India & Pakistan on the modalities for operationalization of the Kartarpur Sahib Corridor held at Attari in Amritsar, Punjab. This is the second meeting between the two countries in the backdrop of tensions arising between India and Pakistan after the withdrawal of special state status from Jammu and Kashmir(J&K).