Hello Vikas,
In one of the site it is written that the last date to apply for pgdm in welingkar through CMAT or XAT scores is 26th January 2018.
You can refer this link address where the information was given regarding last date of application.
https://admission.aglasem.com/welingkar-pgdm/
To get clarity about this, I would suggest you to make enquiry to the institute so as to get clear about the date.
Good luck!!
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