2 dafa i had blown gasket...
kharcha hai:
650 ki gasket
3000-4000 labour kyu k liana ka head kholna aur wapas pack karna azab kaam hai for mechanics
oil change means 4 liter ka dabba
oil filter
gasket sealant
facing of engine head to level it..
further work if pistons etc gets jammed
approx 6-7k ka kharcha in total