I have done abacus for two years in 'UCMAS' and I have won some medal and certificates.
https://drive.google.com/file/d/1HqDGGkG_WtFmA5CFeWQnKdR3tkUJOWPj/view?usp=sharing
https://drive.google.com/file/d/1DsRe3PBZCI6D0p_SemjbtkXJbGwp1lUv/view?usp=sharing