There are 15,918 Indian Researchers in the top 2% list of Elsevier across Disciplines, from among 195,605 scientists who are included globally in the career-long database. They are listed in terms of rank in the table below. So 8.13% of the total global researchers in the top 2% list based on career impact are from Indian Institutions.
Details in Ioannidis, John P.A. (2022), “September 2022 data-update for “Updated science-wide author databases of standardized citation indicators””, Mendeley Data.
Link for source https://elsevier.digitalcommonsdata.com/datasets/btchxktzyw/4
The below list is the career contributions of the authors from 1788.
Researchers are classified into 22 scientific fields and 176 sub-fields. Field- and subfield-specific percentiles are also provided for all scientists with at least 5 papers. Career-long data are updated to end-of-2021 and single recent year data pertain to citations received during calendar year 2021. The selection is based on the top 100,000 scientists by c-score (with and without self-citations) or a percentile rank of 2% or above in the sub-field. 195,605 scientists are included in the career-long database and 200,409 scientists are included in the single recent year dataset. Out of these 195,605 scientists, 8.13% are Indians. Cheers to all Indian researchers in this list.