India has been carrying out a lot of construction activities at the China border in the last three years, BRO Director General Lt General Rajeev Chaudhry said on Sunday. The DG was here to inspect the ongoing construction work of an air dispatch unit of the Border Roads Organisation (BRO), touted to be the world's largest 3D concrete printed campus. Chaudhry said the government of India is fully supporting the BRO for carrying out infrastructure development projects by way of increasing the budget and new technology. The government of India has "increased our budget by 100 per cent in the…