One there are no free lunches ..
what I quoting is cost of building one inhouse..clearly Pak Navy can not fund it at present.
Even India is leasing a SSN from Russia , but we are paying $600Million for ten year lease..maybe your friends won't charge you, considering your economic condition.
Has Pakistan ever tested submarine launched version of Babur or even a ship launched version of this cruise missile..besides payload of Babur is around 300 kg ..do you have nuclear warhead light and compact enough to fit its nosecone?
Still thinking like a clerk. Pakistani defence outlay is not fully public especially for srategic projects. It is public knowledge that right now Pakistan has more nukes and better delivery systems than India. It has built 2 new Plutonium reactors in last 5 years. One more reactor plus a reprocessing plant is under construction. Check the pictures of the latest Babur launch. It was from a different VLS canister used onboard ships. Testing underwater is matter of time. Remember we have submarine launched Harpoons and Excocets and can easily copy the technology and apply it to Babur. Pakistan has nukes lighter than 300KGs. You can deduce that from the various nuke capable delivery systems Pakistan has tested. If we get friendship prices for China it not becuase we don't have the funds or because they love us, it is because they have common straegic interest with us.