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B Tripurari Lal M L Das Scientist C S Sinha Scientist B T K Parameshwaran FLUID loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220201205b8918dd7f8b9a770a8cc3eehtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=npl-annual-report-1999-2000-grade-group-iv-group-ill-group-v-group-il-grouphtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: NPL ANNUAL REPORT 1999-2000 · 2000 Grade Group IV Group Ill Group V Group Il Group I Group A Group B Tripurari Lal M L Das Scientist C S Sinha Scientist B T K Parameshwaran FLUID loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220201205b8918dd7f8b9a770a8cc3eehtml5thumbnails3jpg 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Group Il Group I Group A Group B Tripurari Lal M L Das Scientist C S Sinha Scientist B T K Parameshwaran FLUID loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer20220201205b8918dd7f8b9a770a8cc3eehtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=npl-annual-report-1999-2000-grade-group-iv-group-ill-group-v-group-il-grouphtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: NPL ANNUAL REPORT 1999-2000 · 2000 Grade Group IV Group Ill Group V Group Il Group I Group A Group B Tripurari Lal M L Das Scientist C S Sinha Scientist B T K Parameshwaran FLUID loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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