Plz explain

Sec.234A relating to interest for defaults in furnishing the return of income .

Sec.234B refers payment of interest for defaults in payment of advance tax.

Sec.234C attract in case of fails in payment or late payment of any installment of advance tax
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Sec.244A Interest on refund due to the assessee on account of excess payment of advance tax or TDS or TCS or u/s 140A or in any other case.

Sec.220(2) interest liability when assessee fails to pay the demand as per sec.220(1) and shall be treated as assessee is in default.

Sec.221 Penalty for default in making payment of tax when assessee is in default or is deemed to be in deafult.