Kollavarsham is not a constructor error in nodejs

[ranjithavav]

TypeError: Kollavarsham is not a constructor
at Object. (E:\New folder\src\index.js:9:22)
←[90m at Module._compile (internal/modules/cjs/loader.js:1138:30)←[39m
←[90m at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)←[39m
←[90m at Module.load (internal/modules/cjs/loader.js:986:32)←[39m
←[90m at Function.Module._load (internal/modules/cjs/loader.js:879:14)←[39m
←[90m at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)←[39m
←[90m at internal/main/run_main_module.js:17:47←[39m