The public cloud services (PCS) market in India reached $6.2 billion last year, as software-as-a-service (SaaS) continued to be the largest component of the overall public cloud services market, followed by infrastructure-as-a-service (IaaS) and platform-as-a-service (PaaS), an IDC report showed on Thursday. India Public Cloud Market Reaches USD 6.2 Billion, SaaS Witnesses Largest Growth in Cloud Services.