Try uc browser this would help 

I am doing this 

I would recommend you to use Internet Explorer for log in to aiims 

Try deleting your cookies and temporary files.

Follow these stesp to delete temporary files

https://sites.google.com/site/webtech1009/internet/internet-browsers/how-to-delete-temporary-internet-files-cookies-and-browsing-history-of-the-internet-browser

If the problem still exist try opening the page in Incognito tab.