The centres are located in Mumbai, Faridabad, Ahmedabad, Jaipur, Ludhiana and Ghaziabad.
"BSNL will offer managed co-location, managed hosting and cloud services through these IDCs built, operated and managed by Dimension Data for BSNL," the firm said in a statement.
Cloud computing is expected to be the future of information technology, and its adoption will be driven by the increasing commitment of the government towards healthcare, education, rural development and other e-governance initiatives.
"The IDCs will enhance BSNL's comprehensive service portfolio to meet the communications and IT needs of large medium as well as small business enterprises in India," Communications Minister Kapil Sibal said, inaugurating the IDC services.
"It will facilitate various organizations to quickly induct IT enabled services within their organizations without the hassles of setting up and maintaining their own data centres," he added.