Motiur Rahman Nizami, the industry minister, from the larger of the two, Jamaat-e-Islami, hardly helped his party's international standing by accusing India of involvement in last week's blasts.

ECONOMIST: Serial bombings, with worse to come

There has been no official Pakistani reaction to India's plea, though some reports quoted senior Pakistani minister Ariz Nizami as saying that Singh was being given the "best possible care" and there were no plans to shift him.

BBC: India plea to Pakistan over beaten Sarabjit Singh