Airplane,tank, cannon, even rifle ended failure.
None finished up to schedule, then the developer would make a new proposal of a new target, usually the top of the world, based on what they had achieved, for new fundings.
One of the most famous, Arjuna main battle tank, the half century old project had experienced several major upgrades before it even close to finish.
When it was finally finished, it became the most expensive tank in the world with German engine, British to German guns, American and Israel electronics and so on. And Indian Army only accepted 125 units under the pressure of congress, claimed it not suitable for extensive battle. DRDO, CVRDE the development complex already promised Arjuna MII, will be available with all the problems fixed, which was due two years ago, still had no firmed arriving date.
