DCB plastic not metal and there is a lot of issues on card acceptance. Hence need an alternate card.
HDFC RG with GVP : 2 accor points(rs 4) on 150rs spend + 1% cashback (plus milestone benefits), forex markup : 2%
HSBC Premier : 3 accor points(rs 6) on 100rs spend, forex markup : 0.99%
HSBC Travel One : 4 accor points(rs 8) on 100rs spend, forex markup : 3.5%
Yes marquee : reward rate around 4.5% to 2.25%(on swiggy vouchers i think), forex markup : 1% [Not So good]
Au Zenith+ : reward rate 2 points on 100rs spend, forex markup : 0.99%
Indus Ind Avios : very specific use case check for yourself
IDFC mayura and ashva : zero and 1% forex markup respectively, [Not so good]
Axis Atlas(Not issuing now)
Axis M4B(expensive) but if you can get LTF then baale baale...
LTF non premium low forex options : Federal Scapia, Au Ixigo, Indusind Tiger etc
if you are ok mark my comment as solution....