AM its now what I want.Here's the output from the code given by anonymous 
Got some? (["b", "c", "a"], { MATCHES => [] })


Got some? (["a", "c", "d"], { MATCHES => [] })


Got some? (["d", "e", "b"], { MATCHES => [["b", "e", "d"]] })

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But for T = a b c d I have induced = "b", "c", "a" , "a", "c", "d" .

Similarly for T = b e d output should be = "d", "e", "b" .

In reply to Re^2: Finding subgraphs induced by a set of given vertices. by zing
in thread Finding subgraphs induced by a set of given vertices. by zing

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