Luat. About 800 rai will be managed by the Industrial Estate Authority of Thailand and the rest by the treasury department. The government will create an industrial estate and invite companies to site factories there. Ninety-seven families who occupy land which the government intends to allocate to the SEZ—only a few of whom have land documents—will have to relocate. They are likely to be paid about 7,000-12,000 baht per rai in compensation. There have been several attempts by previous governments to develop an SEZ in Tak as the province is a centre of border trade with Myanmar, which also connects to the Indian market. Mae Sot contributed 64 billion baht in exports in the 2015 fiscal year, a 14.8 percent increase from 2014. The SEZ will be powered by the proposed Hat Gyi Dam on the Salween River which is projected to supply about 1,500 megawatts to Thailand. Burmese refugees The town has a substantial population of Burmese refugees and economic migrants. The exact number of Burmese in Mae Sot is unclear, but estimates say that over 100,000 exist in addition to the 106,000 already recorded in the official census. In recent years the ongoing refugee situation has prompted NGOs and international aid agencies to establish programmes in the town and surrounding area. One of the most notable organizations is the Mae Tao Clinic, just outside the west of town. It was established by the Burmese/Karen Dr Cynthia Maung to offer free medical services to Burmese who do not qualify for treatment at the Mae Sot Hospital. The centre is funded independently and is supported by teams of volunteers. The Mae Sot region has around 70 migrant schools that started spontaneously to meet the needs of the 30,000 children who have crossed the border with their parents from Myanmar. The students are a mix of refugees and economic migrants. Of this number only 7,000 currently attend school. The schools range in size from 20 to over 650 students (Hsa Thoo Lei School). These schools receive no support from the Thai government and rely solely on their resourcefulness and international support. Human rights abuses Serious human rights abuses have been reported here and in the province, whereby local Thai police collude with local business and mafia in trafficking Burmese slave labour, after decades of massive refugee camps accumulating on the Thai side of the border. Administration The district (amphoe) Mae Sot