Anandi's sufferings in comparison to Ganga are less. Yes. But does that mean that she does not relate? No/
Her pain and Ganga's pain are something personal to them. how much they felt of that, they only know.
The one who is hurt knows what Pain is so we cannot just judge saying, Anandi suffered less because she felt less pain. That would be wrong to say.
But yes Ganga did 'suffer' more as she did not have the support of the inlaws.
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Anandi did not sit idle because she was now at ease or suffered less at the hands of her in laws. etc. etc.
Rather she took that opportunity and made sure that she can help out as many people as possible who were suffering the ill-effects of child marriage.
Ganga is trying to survive right now.
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Basically like we cannot say that Anandi is better than Ganga because she has done soo much for the society around her... as that would be unfair. Ganga did not get the opportunity as of yet. If she had been in A's place she would have done the same seeing how fiery she is.
Similarly we cannot Say Ganga suffered more than Anandi or felt more pain because, Anandi is not ganga and Ganga is not Anandi.
Both are balika vadhus ...with a story and a moral for the society to learn from.