Zaroor poochenge.... at some point or it may be forgotten like the rest.
she was too afraid to reveal the truth and did not have her husband's support n pyaar at that time. Adi had just married Malini at that time... kya bolti... mana kar deti...
not Imlie.. they should have asked Adi why he didn't tell them, because he was there when they found magalsutra and other marriage related stuff and they did ask him if he knows Imlie is married and he said, how would he know. But it would be expecting too much from simple log like Tripathi's