Educational and institutional building
University and institutional construction runs continuously here and is paid against a process that wants documents at every stage. A referenced invoice, a challan naming the vehicle and receiver, and a statement that reconciles are what get those bills cleared without a query.
NCR proximity and inter-state loads
Rohtak is close enough to Delhi that loads routinely cross the state boundary, which changes the tax treatment to IGST. That switches automatically once the buyer's state is set on the party, with the correct code printed and the e-way bill details already on the delivery record.
Two customer types from one godown
An institutional contractor on formal terms and a village house builder buying for cash come to the same shop. That split is where paper record-keeping fails, because cash sales get billed and credit ones get written in a register and by year end nobody can reconcile them.
Agricultural credit alongside
The district's farm income means a share of the credit runs to the harvest rather than to a date, clustering settlement. Ageing before the season and a limit per party are what keep that exposure inside what you can carry.