The advent of Industry 4.0, marked by integrating advanced technologies and data-driven processes, has brought about various transformative changes in various sectors of the economy, one such area is agriculture. Agriculture 4.0, this approach combines cutting-edge technologies with traditional farming practices which address challenges in agricultural industry. This paper delves into the current initiatives and technologies like the use of remote sensing, precision agriculture, block chain, artificial intelligence, etc. under the umbrella of Digital Agriculture across the world and nation while analysing their impact on crop yield, resource optimization, market access, and farmer welfare.