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is to ensure that the accused is able to understand the charges against him and to participate in his own defense.
The other options are incorrect because:
Option (b) is incorrect because the charge should be framed in the language which the accused understands, not the language which the witnesses understand.
Option (c) is incorrect because the charge should be framed in the language which the accused understands, not the language of the court.
Option (d) is incorrect because the charge should be framed in the language which the accused understands, not necessarily the Hindi language.