In case, you want to apply Free Shipping for all the orders above Rs 2000 & Rs 100 for all the orders below Rs 2000.
To do these settings please follow below steps:
Navigation: Store Settings>Shipping Options
Here, enter values as:
Flat Shipping Fees =Rs 100
Free Shipping Limit=Rs 2000

Now, Click on Save button to save these settings.

In case, you want to charge Rs 50 Extra for all the orders placed using COD(Cash on Delivery) payment option. Please follow below steps:
Navigation: Store Settings>Shipping Options
Here enter Rs 50 in COD fees

Now, Click on Save button to save the settings.

** You can enter all the three values explained above together & save them.
COD fees is added as soon as you select Cash on Delivery Payment Option.

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