hi sri manne first you should complete lightning component basic trailhead modual. https://trailhead.salesforce.com/en/module/lex_dev_lc_basics then you can start with salesforce lightning component developer guid online or pdf and get your hand dirty with new things if you have any issue related to lightning component you can ask here or you can also see some post realted to lightning component on http://sfdcmonkey.com and get update new posts by like FB page (https://www.facebook.com/SFDC-Monkeycom-1312920085424955) i hope it helps you let me inform if it helps you and mark it best answer so it make proper solution for others thanks
If you are looking for some tutorial kind of stuff then I have tried to put together such stuff in my blog post below. You can have a look at that as well.
Please check below trailhead module to learn about lighting
1) Lightning Experience Basics
https://trailhead.salesforce.com/module/lex_migration_introduction
2)Lightning Experience Rollout
https://trailhead.salesforce.com/module/lex_migration_rollout
3) Lightning Experience Development
https://trailhead.salesforce.com/module/lex_dev_overview
4)Visualforce & Lightning Experience
https://trailhead.salesforce.com/module/lex_dev_visualforce
Let us know if this will help you
All Answers
first you should complete lightning component basic trailhead modual.
https://trailhead.salesforce.com/en/module/lex_dev_lc_basics
then you can start with salesforce lightning component developer guid online or pdf and get your hand dirty with new things
if you have any issue related to lightning component you can ask here or
you can also see some post realted to lightning component on http://sfdcmonkey.com and get update new posts by like FB page (https://www.facebook.com/SFDC-Monkeycom-1312920085424955)
i hope it helps you let me inform if it helps you and mark it best answer so it make proper solution for others
thanks
Please check below trailhead module to learn about lighting
1) Lightning Experience Basics
https://trailhead.salesforce.com/module/lex_migration_introduction
2)Lightning Experience Rollout
https://trailhead.salesforce.com/module/lex_migration_rollout
3) Lightning Experience Development
https://trailhead.salesforce.com/module/lex_dev_overview
4)Visualforce & Lightning Experience
https://trailhead.salesforce.com/module/lex_dev_visualforce
Let us know if this will help you
If you are looking for some tutorial kind of stuff then I have tried to put together such stuff in my blog post below. You can have a look at that as well.
https://force-base.com/2016/12/26/master-the-art-of-building-lightning-components-everything-you-need-to-know-about-lightning-components/