Place potatoes in a saucepan, cover with water, and bring to a boil over high heat; simmer until the potatoes are tender. Drain, and set aside.
Warm oil in a skillet over medium heat. Stir in onion and garlic, and cook until the onions are soft and translucent. Stir in curry powder, garam masala, ginger, cumin, and salt. Cook for 1 or 2 minutes, stirring. Pour in soup, cream, and chickpeas. Stir in potatoes. Simmer 5 minutes.