As per the UGC, guidelines a person can pursue two degrees at a time provided that both degrees are not done in the regular mode. As you have done your BA Library Science from Open Mode and BEd from Regular Mode then you will have no problem and both of your degrees are valid.

To know more about IGNOU visit the link below:

https://www.careers360.com/university/indira-gandhi-national-open-university-new-delhi

To know more about IPU visit the link below:

https://www.careers360.com/university/guru-gobind-singh-indraprastha-university-delhi

I hope this answer helps. All the very best for your future endeavors!