I can’t say I have read many sutta’s, but I did a quick search and couldn’t find any material states “that Venerable Ugga obtained Arhatship in the pure abodes and came to Buddha to tell about it and pay his respects” I thought if any sutta’s stated this, it would be here https://suttacentral.net/vb6/pli/ms (paticca samuppada vibhanga) but didn’t see anything in there.
It’s like Lal says, “need to verify that”.
Sharma, instead of reading other commentaries that’s not included in the Tipitaka. I suggest you go straight to the sutta’s in the Tipitaka, even though the English translations might not be the best.
I started to do this, sometimes comparing the English words to the Pali words in the Sutta’s and with my own understanding/know/seeing of the Buddha Dhamma, I try to make sense for myself what the Sutta is saying. I’m actually having some ah-ha moments when doing this, although I’m not always right about things, but this process really makes me reflect and contemplate on the Buddha Dhamma that I have learned. It’s been a beneficial process, but one will need a kalana mitta to help confirm what you have contemplated on and set you straight if you got the wrong ideas/concepts.
With Metta,