1. Demetrius: Demetrius was the first Indo-Greek invader who invaded India after the decline of the Mauryan Empire and occupied a large part of Afghanistan, Punjab and Sind. But Demetrius had to lose the Bacteria province of Central Asia because Uketice had made a successful revolt there.
2. Menander: Menander was a great Indo-Greek ruler. He is popular as Milinda in the Buddha literature. He was a very able and brave ruler. He invaded India in the time of Pushyamitra Sunga and occupied Punjab (including modern Pakistan) and some parts of Kashmir. He became a Buddhist.