ShipRocket indeed has defined S.L.A.’s for such needs. The pick-up S.L.A. is 24 hours and the delivery S.L.A. is 48 hours to 7 days based on different shipping zones.
Pick up SLA - 24 hrs
Delivery SLA - AS below -
Zone A - Within City - 2 days
Zone B - Within State - 3 days
Zone C - Metro to Metro - 3 days
Zone D - Rest of India - 5 days
Zone E - Northeast and J&K - 7 days