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Great news but we need to upgrade GSLV MK 2 so that we can launch up to 6 ton with it in LEO and save lots of money. Semi cryogenic engines are key. Liquid and solid stages should be replaced with semi cryogenic stages.

https://www.isro.gov.in/First_Integrated_Test_SemicryogenicEngine.html

Semi cryogenic engine with the first level of 2000 K Newton is just begun the testing of SC 200 with a thrust of 2000 kn which is more than double (Correct me if I am wrong) the thrust of s200 booster. I thing L110 and s200 should be replaced with SC engines. Replacing S200 with SC 200 will...

Which 2 large S 200? There is only one S 200. There are 2 L110. They can be replaced with SC 120 to increase power or alternatively, S 200 can be replaced with single booster 2 SC MOTORs. I think Elon Musk rockets uses multiple SC motors in one unit to power booster if I am not wrong. @Indx...

How much payload will get increased? Can S 200 be replaced by SC stages? Is there any increase in specific impulse in motors because of improvement in engine?

Actually, GSLV MK2 shold have carried this load. ISRO has the plan to double the payload of all its vehicle. Composite motors and semicryogenic engine usage in the this vehicles will allow the use of GSLV MK2 to use 5600 KM in LEO. ISRO has cost leadership but still lacks in some critical...