BEFORE THE LEAP
I think Ganga & Saahil's misunderstandings about Mohini will end when the truth will be revealed👏. They will re-unite forgetting their differences. Harsh will throw Mohini out of SHANTINIKETAN. But Saahil will continue his relationship with Tripti secretly. Mohini will find about it & will tell Ganga but she'll not believe her. But later on she will catch Saahil red-handed with Tripti. At that time, Tripti will decide to go away from Saahil's life forever so that no further rift will be ceated between Ganga & Saahil becoz of her & she'll leave.
In the meantime,Ganga will tell every1 at SHANTINIKETANU about Saahil-Tripti relation but no one will believe her becoz of her previous Saahil-Mohini fake allegations. They,in turn,will accuse her of breaking her own marriage & Gayatri and Sejal will humiliate her.Even Tulsi & Damini will not believe her.
Unable to bear this humiliation, distrust in the eyes of her family members & her husband's infidelity, she'll leave SHANTINIKETAN along with her kids, Nakul & the younger one(I am not sure, but his name is Lakshya) to sustain her self-respect. Meanwhile, Saahil with the feeling of being guilty, will confess about his extra-marital affair to his family members. Then realising their mistake, they all will try to search for Ganga. Then they will get to know that the train/bus in which Ganga & her kids were travelling met with an accident & they will get some other hints on which they will assume her dead.
But she & her kids will be very much alive. She will move away from Mumbai to a distant place to give her kids a better life & better education, away from the so-called MANHUS SAAYA😆 of Saahil.
AFTER THE LEAP
After the leap, Nakul & Lakshya will grow up as nice,responsible,dedicated & sincere boys.On the other hand, in SHANTINIKETAN, Bhoomi & Mayank will grow as spoilt kids. Nakul & Lakshya will get scholarships for their higher education & an offer to study in the top college of Mumbai. So both of them will decide to go to mumbai unaware of their past. At first, Ganga will protest against their decision to go to Mumbai but later on,she'll agree only for the sake of her sons' future.
They will reach Mumbai. Here, either Nakul or Lakshya(any one of them) will come across Saahil & Virani family, without the knowledge of Ganga. The father-son duo will like each other being unaware of each other's identity. Nakul & Lakshya will study in the same college of Bhoomi & Mayank. There will be hatred between both the groups for some reason. On one hand, Nakul & Lakshya will be calm & composed, on the other hand, Bhoomi & Mayank will always try to do something to harm them.
Then suddenly, something will happen that Nakul/Lakshya( the son who will be close to Saahil) will be falsely implicated in some case. After some drama, it will be revealed that Bhoomi & Mayank are behind this conspiracy. Saahil will find out that he is the father of that boy & his "dear Wife" 🤢 Ganga is alive. He will plead her to come back to him,but she'll refuse. In the meantime, Nakul & Lakshya will find out that Saahil is their father, so also Bhoomi & Mayank that Nakul & Lakshya are their brothers. Nakul & Lakshya will refuse to accept Saahil as their father as he has given their mother so much pain. Bhoomi & Mayank will also refuse to accept Nakul & Lakshya as their brothers as they hate them.
Again, after lots of rona-dhona drama of about 35-40 episodes 😕(According to EKTA MAI's approximation), Ganga will finally return to SHANTINIKETAN with her children but Bhoomi & Mayank will continue to create trouble for them.
Well, it is possible that Mayank will fall in love with KrishnaTulsi( Tulsi's adopted daughter) but she,in turn, will fall in love with Nakul. This will create enemity between the brothers.