On entering school, NCF 2005 says children already have:

1. NCF 2005 notes that children use an innate language faculty and interact with family and neighbours. 2. So they come to school with full-blown communicative competence in their home language(s). 3. They already control the rules of sounds, words, sentences and discourse. **Why not the others:** Children arrive speaking and understanding; they do not arrive with almost no speech, only written skill or only borrowed words. _Source: NCERT, National Curriculum Framework 2005, section "3.1 Home/First language(s) or Mother-tongue education", PDF p. 55 (ncert.nic.in/pdf/nc-framework/nf2005-english.pdf)_