There is no dispute that the said notice was duly served on the Petitioner. The Petitioner did not send any reply to the said notice nor filed an application for fixation of standard rent or disputed amount of rent demanded as per the said notice within one month from the receipt of the said notice. The Petitioner, however, offered only a sum of Rs.486.18 (Rupees Four Hundred Eighty-six & Paise Eighteen Only) to the Respondent/landlord on 28th September 1981 which was part payment of the amount demanded under the suit notice and that too, after one month from the receipt of the suit notice. It is on this basis, the Trial Court as well as the Appellate Court proceeded to hold that decree under Section 12(3)(a) of the Act was inevitable in the fact situation of the present case. The defence of the Petitioner that he had already paid the amount for the relevant period has been considered by both the Courts below. Both the Courts below have concurrently found that as and when amount was paid by the Petitioner, the landlord used to issue receipt in that behalf. This fact has been admitted by the Petitioner. The Petitioner produced only two rent receipts Exhibits 77 and 78. The rent receipt Exhibit 77 indicates that the rent offered by the Petitioner was for period 1st January 1978 to 19th February, 1979. The only other rent receipt produced on record is Exhibit 78 dated 28th September 1981 which reveals that the Petitioner paid amount