Which section of the Right to Information Act, 2005 provides that information including commercial confidence, trade secrets or intellectual property, which would harm the competitive position of a third party, is exempt from disclosure?

Under the original provisions of the Right to Information (RTI) Act, 2005 as enacted, which state/region was initially exempted from its purview?

A person who desires to obtain information under the Right to Information Act, 2005 shall make a request in writing in which language?