REMITTANCE CHALLAN AND NUMBER GROUP

Dear Friends,

Can any body throw some light on how to maintain number group of remittance challan, whether it is Section code wise or with holding tax type wise?

Section code with hodking tax type number group

1000 194c 01

1000 194a 02

1000 194i 03

or

Section code with hodking tax type number group

1000 194c 01

2000 194a 02

3000 194i 03

Please revert.

Regards,

Saandeep