STEM Education for Innovation : Experimento India

ଚାବିର ତାଲା

ସନ୍ଦିପକୁ ଗୋଟିଏ ଚାବି ମିଳିଲା ହେଲେ ତା’ର ତାଲା ମିଳୁନାହିଁ I (Sandeep found a key but he cannot find its lock. Read more to find out what happens.)