Visit your library’s reference section. Most Indian engineering colleges stock multiple copies of Sapna Katiyar’s book. Scan the relevant chapters (within fair use limits) for personal study.
While full PDF downloads are often sought on third-party sites, official summaries and previews are available through educational and retail platforms:
Here's a step-by-step explanation of how satellite communication works:
If you’d like a more detailed summary of any specific chapter, a list of recommended supplemental readings, or ideas for visual aids (diagrams of orbital regimes, link‑budget calculators, etc.), just let me know! Happy writing.