The sprawling school, located next to the US Embassy on American government-owned land, has about 1500 students on its rolls, nearly 500 of whom are from the US. The remaining students are from several other countries, including some locals.
Government sources said that they have information that several teachers of the school are working "illegally", in violation of visas granted to them. Moreover, it is in violation of tax laws.
India, in 1973, had granted to 16 teachers of the school the "tax exempted status". However, as per information available with government, there were many more teachers who were working but not shown as such.
Meanwhile, a report in New York Times says that a handout for new teachers at the school has offered "some unusual guidance" to female teachers whose husbands will also be teaching at the school.
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Instructing female spouses to list their occupation on visa applications as "housewife", the handouts state that they should not mention that they would be working. Indian officials regard this advice as illegal.
The report said that Paul Chmelik , the school's administrator had refused to comment on the visa issue.
The issues pertaining to the school are among those raised by the Ministry of External Affairs with the US government through a diplomatic note and figured in the discussions between US Deputy Secretary of State William J Burns and new Indian Ambassador to the US S Jaishankar in Washington two days ago.