Hope you have already viewed the previous three parts of this chapter –

part 1 https://youtu.be/y5ghLA4xnOs

part 2 https://youtu.be/a0XAt8yRHGs

part 3 https://youtu.be/EAjYwPZzwcY

This is the final part from this chapter of Indian Economy 1950-1990. This video describes the Import Substitution Policy started by the government and also the critical appraisal of all the developments taken up by India from 1950 to 1990.