Vijay - PraNams
Here is my understanding:
First Jiivan mukta involves clear understanding that I am pure existence-consciousness and was never bound. jiiva jagat and iswara are all mithyaa. They become vibhuuti of either you can say my vibhuti or to be polite and say it is Iswara vibhuti since understanding is jiiva-jagat-Iswara all the three are my own projections.
Hence a jiivanmukta understands that I never had, have will have a shariira. It is like a an actor independent of any roles. Now in vyavahaara he can play the role of a particular individual knowing very well that he is playing that role as leela or play. The roles will have problems like any roles in a drama. A multi millionaire can be playing the role of a beggar and being beaten on the stage as part of drama but he knows he is never a beggar but going to earn more millions because of that action.
Hence correct answer is jiivanmukta does not have any shariira other than for the play in the drama of life. The problem of that role belongs to the role not to the one who is acting that role.
Hence he in principle does not have a deha from his understanding. indriyaaH indriyartheshu vartante.. the BMI functions as it should in response to the external stimulus. The BMI is born of praarabda and until that praarabda is exhausted it will remain. There is also a samashTi vaasanaas that keep the body alive - since there are many matured seekers who are in need of a jnaani-teacher, the prakriti under the direction of Iswara maintains that body for the benefit of loka kalyanam. The ajnaani may look at the body of jiivanmukta and spiritual seeker sees as mahatma while the others may see as burden to the society.
When the BMI of jnaani drops out the BMI that belongs to the prakRiti goes back to prakRiti since there is no need for next birth for a jnaani. Hence He who has already become one with the total remains as total. It is Brahman from the paaramaarthika and Iswara from the point of ajnaanis since jiiva-jagat-Iswara divisions are real only for ajnaani.
Now look at your A and B choices.
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Vijay:
Once JivaBrahma aikyam is established, Jiva becomes Jivanmukta. Free from sukha-dukha, jiva still experiences Jagat like other Jivas due to his prarabdhas and upadhis but with a jivanmukta attitude "I am really the parabrahma chaitanya.. all chidabhasas are reflections of ME ..everybody's knowledge is my knowledge, everybody's joy is my joy .. (only an intellectual attitude, of course, since even jnanis enjoyment falls within the scope of anthakarana he was born with)
Sada: He does not experience anything. He witnesses the experiences of BMI at vyaavahaarika level. There is a difference. If he firmly abides in that knowledge, then he sees all experiences at vyaavahaarika is like actor experiencing the problems of the roles. The actor is free from any problems of the roles BMI. He may be beautiful actor that he appears to be involved but he is not - if he has jnaanam that I am pure sat chit ananda.
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Vijay:
In Videhmukti, Prarabdhas are exhausted and then jiva sharira is said to merge in Ishwara on Vyavaharic level. On paramarthic level there is only Brahma and no such entity as Surviving Videhamukta.
With this in background, I am caught in between two concepts regarding "Videhamukti".
Sada:Jiivan mukta does not have praarabda also. He sees the BMI has praarabda while others may think that he has praarabda. Hence the outlook is different. In transactions he behaves as though he has praarabda - that is what a beautiful actor should do, right? Yes BMI which is a product of praaradba will remain until all that karma drops out.
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Vijay:
A. For Videhmukta, On paramarthic level there is only Parabrahma. But on Vyavaharic level, this particular jivasharira "Mohandev Sharma" merges into Ishwara - but Ishwara continues to control other ignorant jivatmas who will wait for their turns for eventual mukti and cycle goes on (at vyavaharic level). When all jivas attain mukti then there will be total maya-less brahman.
Sada: At paaramaarthika level - there is absolutely nothing else other than Brahman. No words can reach there. It is pure undifferentiated sat chit ananda - even these words is only from the point of vyavhaara. yato vaacho nivertante apraapya manasaa saha.
Even before the BMI drops he has understood that he is brahman. when the BMI drops that understanding remains. He merges with Iswara is only from others point who see the difference between jiiva-jagat-Iswara. It is their notions.
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Vijay:
B. In Videhmukti, there is nothing but Parabrahma - there is no vyavaharic level, no jivatmas, no jagat, no Ishwar/Maya - there never was any "Mohan dev Sharna", never were other jivatmas, jagat, Ishwar or vyavaharic level (or even paramarthic level?)
Sada: Your first part is correct. In the second part - there is no vyavahaara also from Brahman point there is no creation. Only from Jiiva's point there is jiiva-jagat and Iswara.
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Vijay:
B. makes more sense to me because there is a true dukkha nivratti. I was really concerned and attached to my son but now I know that neither my son nor me are and were real! All along there was only one ME the brhaman. The only problem with B is that with my jiva sharira exhaustion I have liberated the whole world – I have no problem with this because in reality there was never any world.
Sada: True duhkha nivRitti comes with clear understanding that I am pure sat chit ananda even when BMI are there. A jiivanmukta will do and express concerns (not worries) as required and appropriate at vyavahaara level. In fact he acts in such a way that others do follow his example. For his everything becomes a divine play and in the play there are heroes and crooks too. That is all part of drama of life. He plays what is dharma and also does creative actions since those actions will beautify the creation. That is what loka kalyanam means.
Hope this answers
Hari Om!
Sada