<Table> Continuous and Comprehensive Evaluation <Tr> <Td_colspan="2"> CCE's official logo </Td> </Tr> <Tr> <Th_colspan="2"> Board of education </Th> </Tr> <Tr> <Td_colspan="2"> CBSE </Td> </Tr> <Tr> <Th_colspan="2"> Examinations </Th> </Tr> <Tr> <Th> Formatives </Th> <Td> </Td> </Tr> <Tr> <Th> Summatives </Th> <Td> </Td> </Tr> <Tr> <Th> Scale </Th> <Td> 9 points </Td> </Tr> <Tr> <Th> Grades </Th> <Td> 6th to 10th & 12th </Td> </Tr> <Tr> <Th_colspan="2"> Course </Th> </Tr> <Tr> <Th> Main subjects </Th> <Td> English, Hindi, Mathematics, Physics, Chemistry, Biology, History, Civics, Geography and Economics . </Td> </Tr> <Tr> <Th> Additional subjects (optional) </Th> <Td> Japanese, Assamese, Bengali, Gujarati, Kashmiri, Kannada, Marathi, Malayalam, Meitei (Manipuri), Oriya, Punjabi, Sindhi, Tamil, Telugu, Urdu, Sanskrit, Arabic, Persian, French, Tibetan, German, Portuguese, Russian, Spanish, Nepali, Limboo, Lepcha, Bhutia, and Mizo . </Td> </Tr> </Table> <Tr> <Td_colspan="2"> CCE's official logo </Td> </Tr> <Tr> <Th_colspan="2"> Board of education </Th> </Tr>

What is the concept of cce and its objectives