The cultural impact of Bollywood (Hindi cinema) alongside the massive parallel industries in South India (Tamil, Telugu, Malayalam, Kannada).

"Mass Communication in India" is more than a textbook; it is an cited in countless research theses and academic papers. A search on Shodhganga, a digital repository of Indian theses, reveals numerous citations of Kumar's work, demonstrating its authority as a primary source. Professor Kumar's personal credibility, including his contributions to Wiley Blackwell's international encyclopedias of communication and over 50 research papers, adds immense weight to the book's content.

How cheap smartphones and affordable data plans democratized internet access across rural and urban divides.