Here is a suggested PDF:
While Bhatta’s text is excellent for Indian and South Asian curricula, you may want to supplement it with other resources: remote sensing and gis basudeb bhatta pdf
However, most reviewers note that Bhatta’s writing is uniquely concise. He distills complex mathematical concepts (like the K-means clustering algorithm or NDVI calculations) into plain English, making it the superior choice for non-programmers and beginners. Here is a suggested PDF: While Bhatta’s text
Global Navigation Satellite Systems (GNSS) like GPS and IRNSS. and mobile mapping.
The latest editions include critical updates on UAV (drone) remote sensing, WebGIS, and mobile mapping.