Ok. Some options (approval and fuel limits need further research)..
BPCL:
SBI BPCL
SBI BPCL OCTANE
Note: LTF chances high as of current trend, but not guaranteed. Waiver easily achieved through SBI BPCL rather OCtane where high fuel spends required.
HPCL:
BOB Energie
IDFC Power
IDFC Power+
ICICI HPCL Super Saver
Note: LTF chances rare, but easy to achieve 50k spend requirement in Energie and Power but Power+ need higher spends.
Alternative: Amex cards for milestone benefits.
HP Pay Wallets or HP vouchers from Gyftr or Amzn.
IndianOil:
Citi IndianOil (only for existing Citi holders)
Axis IndianOil
Kotak IndianOIl
Note: LTF chances high, and easy to achieve 50k spend requirement for waiver.
Any fuel station:
SC Super Value Titanium
Note: LTF chances are rare and fee achieve little difficult it needs 90k per year.
Alternative: Paytm, AMEX (milestoneS)
Some of them new cards, some exist for long time and providing more than 1% in fuel category (~2% to 6% apprx.)
You may already know, just sharing.