ONCEAMONTH & ONCEAMONTH1 Both code are different

https://paytmmall.com/nova-nhc-325-hair-straigh...

ONCEAMONTH
Use promocode ONCEAMONTH and get flat ₹200 Cashback on your 1st order this month. Min order value ₹399. Also, get extra gold worth upto Rs 500 on purchase of Paytm Gold
Terms & Conditions
*The promocode can be utilized only once. In case of return/cancellation it cannot be re-used.
*This code is applicable for maximum 2 quantity per item & for maximum 5 quantity per order.
*Cashback of Rs. 200 is applicable on using this Promocode.
*This promocode is not valid on certain selected products in General Store/Dailyneeds category.
*This Promocode is applicable only once a month.
*Promo codes are subject to maximum cash back amounts
*Cash back acquired from promo codes to be credited within 24 hours of your product being shipped
*Cash back received will be credited to your Paytm Wallet
*Promo codes are not applicable for Cash on Delivery (COD) mode of payment.

• If product purchased on EMI payment mode, Cash back gets credit post return policy.
  *If product comes under no return policy, Cash back gets credited post 7 days of delivery date.
  *Cashback will not be processed for non-KYC users. If you have not completed your KYC, you will receive Goldback (inclusive of 3% GST)
  *This cash back offer is being extended by One97 Communications Limited for using your Paytm Wallet. Paytm Wallet can be used for all transactions including shopping, recharges, utility bill payments, movie tickets, travel bookings and payments at stores accepting Paytm as a payment mode.

Terms and Conditions for Gold
*Buy 24k Gold with promo code GOLDENMALL and get GST back as extra gold, worth upto Rs 500.
*Minimum amount of gold purchase should be Rs 500.
*Applicable for users who have applied ONCEAMONTH while doing shopping with Paytm Mall.
*Offer is valid from 11th June 2018 to 30th June 2018.
*Goldback to be credited within 48-72 hours of successful order completion.
*Ensure that the offer is applicable before payment. Offer applicable only on Paytm.com and Paytm App
*Detailed T&C: https://paytm.com/offer/gol...k/
*Paytm solely reserves the right to change/modify or stop the campaign without prior notice
*Offer is extended by One97 Communications Limited to pay for anything on merchants accepting ‘Paytm Payments’ on their platform.

ONCEAMONTH1
Shop for minimum 300 and Get voucher of 100% cashback upto 200 valid on your next mall purchase. Voucher will be delivered within 24hrs of shipping of product.

Terms & Conditions
*Unique promocode will be delivered within 24 hours shipping through E-mail/SMS.
*Use unique promocode to get 100% cashback upto Rs 200 on next Paytm Mall order only. The unique promocode will be applicable on maximum 2 quantity per item & for maximum 2 quantity per order & will not be applicable on mobiles
*The unique promocode will be valid from 10 days after shipment for next 30 days.
*The promocode can be utilized only once in a month. In case of return/cancellation it cannot be re-used.
*ONCEAMONTH1 code is applicable for maximum 2 quantity per item & for maximum 2 quantity per order.
*ONCEAMONTH1 is not valid on certain selected products in General Store/Dailyneeds category.
*ONCEAMONTH1 is applicable only once a month on your 1st order
*Cash back received will be credited to your Paytm Wallet
*Promo codes are not applicable for Cash on Delivery (COD) mode of payment.
*If product purchased on EMI payment mode, Cash back gets credit post return policy.
*If product comes under no return policy, Cash back gets credited post 7 days of delivery date.
*Cashback will not be processed for non-KYC users. If you have not completed your KYC, you will receive Goldback (inclusive of 3% GST).