1. No plan can be passed if the construction disturbs the neighbours.
2. Moreover, it was an old building having factory on the grounf floor.
3. Fot reconstruction of the buyilding, they are supposed to take fresh sanction from rthe local Municipal corporation.
4. Lodge a written complaint to the Mayor/Chairman of the local Municipal Corporation about the said construction. and seek relief.
5. If the Municipal corporation refuses to act, file a Writ Petition before the High Court against inaction of the Municipal corporation praying for a direction up on the Municipal Corporation to act as per law based on your said complaint.