Govt investment is the only investment now. Private sector is not investing. THEREFORE change in GPP and PRR is negative. Economy is actually contracting in real terms. People therefore see no future for engineering in India.

GPP = GDP – Goverment depradations

PPR equals GPP minus total depredation (i.e., government spending).

GPP is gross private produce.

PPR is private product remaining in private hands

GDP = Gross domestic product.

Don’t fail to read:
https://mises.org/library/how-reducing-gdp-increases-economic-growth