Which Cards Should I close and which should I add to my collection?

[Mysticx]

Current Portfolio:
AXIS Flipkart (Paid)
AXIS Rewards (LTF)
ICICI APAY (LTF)
ICICI Coral (LTF)
ICICI MMT (Paid)
HDFC Tata Neu Plus (LTF)
SLICE CC (LTF)

Primary usage: Online/Offline Shopping, Domestic/International Lounge Access
Cibil: 770, 2 Credit age ~ 1.5 yr , Self Employed