code comments added for DO-6067 and CORE-2198 stories.
"Click Handlers Changes implemented"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2364 from suryanarayanakb/release-6.6.3.a1

Removed the unused variables
Merge pull request #2365 from shivalinga/release-6.6.3.a1

code comments added for DO-6067 and CORE-2198 stories.
Merge pull request #2366 from sravanthi1/release-6.6.3.a1

"Click Handlers Changes implemented"
"removed the //TODO need to implement version"