Menander was also known as Milinda and the capital of his kingdom was Sakala (Sialcot). He evinced much interest in Buddhism and his dialogues with the Buddhist monk Nagasena was compiled in the Pali work, Milindapanho (Questions of Milinda). He also embraced Buddhism. A Greek ambassador Heliodorus became a Vaishnavite and erected the Garuda Pillar at Besnagar. The Greek influence in India lasted for more than a century after the death Menander.
Sakas
The Sakas or the Scythians attacked Bactria and Parthia and captured them from the Greek rulers. Following the footsteps of the Greeks, the Sakas gradually extended their rule over northwestern India. There were two different groups of Sakas – the Northern Satraps ruling from Taxila and the Western satraps ruling over Maharashtra.
The founder the Saka rule in India in the first century B.C. was Maues. His son and successor was Azes I, who was considered to be the founder of the Vikrama era.
Sakas rulers of Taxila were overthrown by the Parthians.
Kushanas
Kushanas coins
The Kushanas were a branch of Yuchi tribe, whose original home was central Asia. They first came to Bactria displacing the Sakas. Then they gradually moved to the Kabul valley and seized the Gandhara region. The founder of the Kushana dynasty was Kujula Kadphises or Kadphises I. He occupied the Kabul valley and issued coins in his name. His son Wima Kadphises or Kadphises II conquered the whole of northwestern India as far as Mathura. He issued gold coins with high-sounding titles like the ‘Lord of the Whole World’. He was a devotee of Lord Siva.