Genotyping data is from Illumina Global screening array 24 v 2.0 and ConsistencyDupSNP.sh file contains list of pair of duplicated SNPs in GSA24 v 2.0.
Abhijeet Singh Analysis is performed in plink and for this step I am referring following article. Article Illumina human exome genotyping array clustering and quality control
Since this is a code/script file, it could not be uploaded as .sh. Please remove .txt from file before use (attached: ConsistencyDupSNP.sh). Try if it works.