Yes, of-coarse this is not going to be a easy battle. It will be tough. The establishment's are definitely going to try to stop us. But we should also not give up our front. We should fight too. We should not allow them to stop us so easily.
They will try to ban or regulate. They will spread rumors about it. They will say and try to convince others that the people are using it to evade taxes and hoard black money. They will say that people are using it to buy drugs and other illegal stuff from black market. They will say many other similar things.

But none of these things mean that we should give away and sell all our bitcoins. This is silly. Investment in cryptocurrencies in itself is a risk. So, if government wants to ban it, so be it. We will see how long they can keep up with the ban. When the governments change some laws change too. Like Obama care was repealed, the other government may even repeal the ban. May be even unbanning crypto currencies can become an election agenda. Who knows it is possible. Everything is possible in this.

As far as not allowing purchases with credit card is concerned i agree with it. People should invest the money they already have in their pockets. Or borrow loans from the banks upto the quantity they can pay from their salaries.