Don't have sources for data but these are good reads:
Chaudhri, V., & Wang, J. (2007). Communicating corporate social responsibility on the internet a case study of the top 100 information technology companies in India. Management Communication Quarterly, 21(2), 232-247.
Prieto‐Carrón, M., LUND‐THOMSEN, P. E. T. E. R., Chan, A., Muro, A. N. A., & Bhushan, C. (2006). Critical perspectives on CSR and development: what we know, what we don't know, and what we need to know. International Affairs, 82(5), 977-987.
Arora, B., & Puranik, R. (2004). A review of corporate social responsibility in India. Development, 47(3), 93-100.