The small somewhat flattened squashes belonging to Cucurbita pepo go under the name Patty Pan squashes or Scallop squashes. I think our Tinda substitute Chapan kadu may belong to this category.
Here is one cultivar of this group known as Sunburst yellow squash.
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089http://people.du.ac.in/~singhg45/