Merge pull request #48 from amittbhardwj/dirty

 Modifying Other Charges Template
Removing errors
Merge pull request #50 from amittbhardwj/dirty

Improved Code
admin.py modified
Merge pull request #51 from aashitadutta/dirty

admin.py modified in bills
duplicate code removed
Merge pull request #54 from GunpreetAhuja/dirty

duplicate code removed