Science,technology and ecology NCERT plus :  Objective & Subjective Question Bank for UPSC & State PSC CSE Prelim & Main Exams 

 - New Delhi :  Disha Publication Inc.,  2025. 
 - various paging's :   24 cm. 
<br/><br/><label>ISBN: </label>9789362254924 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UPSC Civil Services Examination--Science<br/>UPSC Civil Services Examination--Technology<br/>UPSC Civil Services Examination--Ecology--Question Banks
<br/><br/><label>Dewey Class. No.: </label>004.3 SCI