CERTIFICATE This is to certify that Suvansh Agarwal, ………………. of Class XII Sc A of Birla High School, Kolkata has completed this project under my supervision. He has taken interest and shown utmost sincerity in completion of this project for the AISSCE, 2022. He has successfully completed the ALS project up to my satisfaction. ------------------------------------------------ ---------------------------------------------- ---------------------------------- Signature of the Subject Teacher Signature of the External Examiner Signature of the Principal