TallyERP 9 TDL development (inputs and invoice customisation)

Hi, i am looking for tdl developer to develop a tdl for my [login to view URL], I need 8-10 inputs for my invoices like Gross, tare and net weight and [login to view URL] will be manual and numbers, 1/2 will be [login to view URL] billing rate and billing weight(net weight) will also depend on this new inputs. All these should be printed on invoices also.(It can be on lines below stock item similar to addl description OR top right boxes can be partly utilised).