MUMBAI, India (AP) — India picked up intelligence in recent months that terrorists were plotting attacks against Mumbai targets, an official said today, as the government demanded that Islamabad hand over suspected terrorists believed living in the Pakistan.

A list of about 20 people — including India’s most-wanted man — was submitted to Pakistan’s high commissioner to India on Monday night, said India’s foreign minister, Pranab Mukherjee.

India has already demanded Pakistan take “strong action” against those responsible for the attacks, and the U.S. has pressured Islamabad to cooperate in the investigation.

America’s chief diplomat, Secretary of State Condoleezza Rice, will visit India on Wednesday.

The only surviving attacker has told police that he and the other nine gunmen had trained for months in camps in Pakistan operated by the banned Pakistani militant group Lashkar-e-Taiba.