First of all congratulations, very few people at the age can earn Rs. 45,000 per month. You are doing wonderful. To me, credit cards depends up on the maximum spending category like groceries. I am presenting here a list though. You should ideally apply for all the cards :). Trust me this would help you save a lot every month.
Rs. 5000 joining gift voucher from either Yatra, Hush Puppies/Bata, Marks & Spencer, Westside and Shoppers Stop. You can take your call.
Rs. 500 movie vouchers every month which means an annual savings of Rs. 6000
Rs. 18,000 worth savings in bonus every year on reaching spends of up to Rs. 500,000
2.5% cash back on your groceries, restaurants and departmental stores. This means if we spend like 300,000 per year on groceries, restaurants and department spends. This leads to savings of Rs. 7500 per year.
So for an annual fee of Rs. 5000, you save like approximately Rs. 32000 per year.
2.5% cash back on amazon, foodpanda, ola, lenskart and many more
Rs. 500 amazon gift voucher as joining gift
Up to Rs. 4,000 in gift voucher on reaching various thresholds
This card would help you save always on online shopping like amazon, lenskart etc
You can take benefit of klippd for your extra savings
Welcome gift voucher worth Rs. 500
Flat 10% discount on apparels, footwear, accessories at FBB and big bazaar
2.5% cash back on spends at big bazaar, food bazaar, FBB, Dining
In general tip, you can apply for any of the card that suits your need and let the card company decide. I have like six cards and have managed to save huge.
: You can take this card for your electric and utility bills.
5% on electric bills all the round
5% on telephone bills all the year
0.5% elsewhere full year
You can find a complete review
Hope this would help….
Happy Savings and Happy Earnings