Dear member,
i you case what i u/s is that you buy various products and the sell it in lot.
First you create a Stock Item For Each Lot No You Sell.
while creating Stock Item - In Item Creation Menu Press f12 and Make Below Changes
Allow COmponen List Details (BIll Of Material ) - Yes
On Doing SO YOu will Get Option FOr Creating BOM FOr Particular Lot.
create the Bom and Save the Lot.
After This
Go to Inventory Vouchers - Stock Journal.
In Production Menu Select Lot no (New Item Created)
and mention qty . It WIll show Items Consumed Automatically on Right Side Window Of Stock Journal .
Save the Entry.
Go - to Sales
Select Lot No In Item Name And Sale Price.
(In Case You need to provide details of each item in lot to your customer, you can take a print of stock journal entry along with sales invoice and send it to your supplier.
Hope this Helps You Out.
Regards
Achal Agarwal
9892622992.