Not import restrictions, more like export restrictions, just to make the other suffer.

Wiki infobox suggests that they just have 3% exports to India, they can choose to take that hit. https://en.m.wikipedia.org/wiki/Economy_of_China

Why would the PRC follow India’s lead in foot shooting when they can simply not and come out better?

It’s like the US which is currently undermining itself in some sort of nonsensical effort to match China in the very things we don’t like about China and ends up hurting China.

Why impose export restriction when the other party is doing it with import restrictions to the same effect

India's economy won't be affected by the loss of PUBG. But it will without certain critical parts of the manufacturing supply chain. I don't know what those parts are, but the Chinese govt will know. A good example of this in action is banning exports of rare earth metals to Japan in 2010, affecting Japan's electronics industry.

> India's economy won't be affected by the loss of PUBG.

It maybe be improved by the loss of PUBG due to the gain in productivity /s

There are no jobs for the youth. 13 Cr people who have various degrees are unemployed.

More than 1.25 Cr have lost jobs this quarter.

India is imposing import restrictions on things they could make themselves, like software. Export restrictions would comprise things India can't make alternatives for, like electronics and pharmaceutical chemicals. The effect is closer to the US banning export of chips and foundry services to Huawei.

Unlike the US's tech export restrictions though, anything China makes India could probably find an alternative supplier for, just at a higher cost and lower volume. It'll still hurt, just not as much as being pressured by the US.

Does app ban really have any material impact on citizens?

Not having access to medicines or say equipment used in your power plants will.