Before leaving for Kharagpur, Ma made Anand promise that he would not use or experiment with the time machine. She was stern and worried, wanting to ensure that no mischief or accidents happened while they were away.
Class 7 English Poorvi Unit 3 Dreams and Discoveries
Class 7 English Poorvi Unit III Chapter 1 My Brother’s Great Invention NCERT solutions
Just before leaving for the wedding in Kharagpur, Ma gave Anand a strict instruction not to use or test the time machine while they were gone. She was concerned about what Anand might do without supervision, especially after his previous disasters. Anand gave a half-hearted promise, feeling offended that his invention wasn’t being respected. Ma’s stern tone showed her distrust of Anand’s “creations,” while Anita was secretly relieved that the machine wouldn’t be activated in their parents’ absence.
For more NCERT Solutions for Class 7 English Poorvi Unit 3 Dreams and Discoveries Chapter 1 My Brother’s Great Invention
https://www.tiwariacademy.com/ncert-solutions/class-7/english/