Many top law colleges in India have a subscription to the LexisNexis Digital Library. If your institution participates, you can log in and read the current edition online or download it temporarily (usually as a DRM-protected file).
Jain doesn't just list case names; he extracts the ratio decidendi (reason for the decision) and weaves it into a coherent doctrine. For example, his treatment of the Basic Structure Doctrine (Kesavananda Bharati case) is arguably the best introduction to that complex subject. m p jain indian constitutional law pdf upd
Most free PDFs floating on websites (Google Drive, Scribd, Telegram channels) are: Many top law colleges in India have a