How to buy fake MDIS degree? Buy fake degree online. Buy fake degree online. Where to buy fake diploma online? The Management Development Institute of Singapore (MDIS) was established in 1956 and is Singapore’s oldest non-profit lifelong learning professional institution. MDIS has two main subsidiaries: Singapore Management Development Institute Pte Ltd (MDIS Pte Ltd), which oversees academic business in Singapore; and MDIS International Pte Ltd, which promotes globalization strategies.