Dear Sir
HS 101, sweet-72, PUSA HYBRID-2, PUSA HYBRID-1, PUSA RUBY, PANT BAHAR, ARKA SAURABH. are some of the tomato hybrids.
Agriculture Information Hub of Indian Farmers is one such web site that will guide you.
For books you can follow
Vegetable growing
Basic horticulture
handbook of horticulture
u just visit the Sapna book stall in Indiranagar or Gandhinagar u will get a variety of books of your choice.
Regards
Kirti