The post-COVID era has catalysed a transformative phase in the telecommunication sector, with dramatic shifts in both consumer behaviour and enterprise needs. This study offers a synthesized review of investment trends in telecommunications following the pandemic, detailing their implications on infrastructure development. The initial pandemic response saw an exponential rise in the demand for robust connectivity, necessitating rapid infrastructural adjustments to cater to remote work, online education, and digital healthcare. This paper identifies significant post-COVID investment trends in telecommunications, which include an augmented drive for broadband and fibre-optic expansion, an accelerated rollout of 5G networks, heightened investments in cloud services and data centres, and a notable surge in mergers and acquisitions. This investment influx has palpably advanced infrastructure development rates, with a focus on enhancing capacity, speed, reliability, and geographical reach. However, the ramifications of this swift expansion are multifaceted. On the socio-economic front, there has been substantial job creation, technology democratization, and improved accessibility, especially in historically underserved areas. In parallel, the environmental footprint of this growth is also scrutinized, shedding light on increased energy consumption, challenges in electronic waste management, and resource utilization. From a business perspective, while there's enhanced market competition and improved service quality, companies also grapple with new challenges in customer retention, experience management, and competitive differentiation. Furthermore, this paper elucidates evolving policy landscapes, marked by modified telecom regulations, incentivization strategies, and measures to ensure equitable access. In conclusion, the post-pandemic telecommunication investment trends have undeniably fast-tracked infrastructure development, but with nuanced implications for society, environment, business, and policy. The forward trajectory, though promising, requires a harmonized effort from stakeholders to ensure sustainable and inclusive growth. 
 Keywords: Telecommunication, Infrastructure, Investment, Government, Post-Covid, Policy.