For international travel from US to India or India to the US, most airlines allow two Checked-In Bags each weighing no more than 50 pounds or 23 Kgs and one CarryOn or Cabin bag. The actual allowances for Cabin bag vary from airline to airline. For specific baggage information on any airline, please visit the respective airline web site.
For United Airlines international flights to and from India, the check-In bag allowance is one bag weighing no more than 50 lbs or 23 kgs. You may carry a second checked bag for an extra charge. One Cabin bag and one personal item are allowed at no charge.
For more information visit the following sites for baggage allowances across various airlines:
All Children aged 2 years and above generally have the same baggage allowances as Adults. For Infants (less than 2 years old) different airlines have different limits.
For more specific requirements for your international carrier, please refer to the individual airline websites.