Instructions for bulk update
  * Data till column AA is for product rest for product variant(s)
  * You can update more variants by repeating variants data in sequence for ex. in sample file first row have 1 variant and second product have no any variants
  * You can keep fields blank if you don't want to change
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products data
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1. product id - ID of the product which you want to update. You can find from manage products section - mandatory

2. category id - You can find from categories section

3. tax - You can find from products >> tax section

4. product type - It must be simple_product or variable_product

5. stock type -   If you don't want stock management leave it blank. else

		Case 1 - if product type is simple_product it must be 0 (Stock will be managed product wise)

		Case 2 - if product type is variable_product and you want to manage stock product wise stock type should be 1

		Case 3 - if product type is variable_product and you want to manage stock variant wise stock type should be 2

6. name - Name of the product

7. short description - Short descriotion about product

8. indicator - 0 -> none | 1 -> veg | 2 -> non-veg

9. cod allowed - 0 if COD not allowed  - 1 if COD allowed - (default will be 1)

10. minimum order quantity - (default will be 1)

11. quantity step size - (default will be 1)

12. total allowed quantity

13. is prices inclusive tax - 0 if prices are not inclusive tax  - 1 if prices are inclusive tax - (default will be 0)

14. is returnable - 0 if product is not returnable  - 1 if product is returnable - (default will be 0)

15. is cancelable - 0 if product is not cancelable  - 1 if product is cancelable - (default will be 0)

16. cancelable till - It must be received, processed or shipped (case sensitive) if product is cancelable otherwise leave it blank

17. image - You can copy relative path from media section - (for ex. uploads/media/2021/07.jpg)

18. video type - It must be youtube or vimeo(case sensitive)

19. video - Video link

20. tags - It must be comma separated for ex. TV,AC,Cooler etc.

21. warranty period - For ex. 6 months

22. guarantee period - For ex. 1 year

23. made in

24. sku - set it if stock type is 0 or 1

25. stock - set it if stock type is 0 or 1

26. availability - set it if stock type is 0 -> 0 - not available 1 - available

27. description - long description about product

28. deliverable_type -  add one of the following value as required to your product.
                            "0" - for product is not ready to delivarable in zipcodes which are in Database.
                            "1" - for product is delivarable in all zipcodes which are in Database.
                            "2" - for product is delivarable in these included zipcodes which are in Database.
                            "3" - for product is delivarable except this zipcodes which are in Database.

29. deliverable_zipcodes - List as per the above option(Deliverable_Type) you selected. And it should be comma separated like 1,2,3

30. seller_id - Set Seller ID


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variants data
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28. variant id - ID of the product which you want to update. You can find from your database product variants table - mandatory

29. price - Price of the product. it must be greater than special price

30. special price - Discounted price of the product. it must be smaller than price - default will be 0 means no discounted price

31. sku - set it if stock type is 2

32. stock - set it if stock type is 2

34. availability - set it if stock type is 2 -> 0 - not available 1 - available - optional