No matter what I cook, the below is what you will find on the kitchen shelf. Maybe, you can get them too. Most of the spices are available in an Indian grocery store or a Middle-Eastern store.
THE SPICE POWDERS
Turmeric powder
Hing/Asafoetida
Cumin powder
Coriander powder
Garam Masala powder
Curry powder
Chat Masala powder
Biriyani powder
Sambar powder
Pav-bhaji powder
Paprika powder
THE SEEDS
Mustard seeds
Cumin seeds
Coriander seeds
Fenugreek seeds
Kalonji (nigella seeds)
Fennel seeds
Panch poran (a readymade mix of Fenugreek seed, nigella seed, cumin seed, black mustard seed and fennel seed)
Sesame seeds (white and black)
THE OILS
Ghee
Butter
Oilve oil
Sesame oil
Rice Bran oil
THE STICKS AND LEAVES
Curry leaves
Cinnamon sticks
Cloves
Cardamom pods
Bay leaves
Ginger
Coriander leaves
THE NUTS
Cashew nuts
Peanuts
THE SAUCES AND CREAMS
Soy sauce
Tomato paste
Coconut cream
Coconut milk
Sour cream
Standard cream
OTHER SOLIDS
Himalayan Salt
Organic sugar
Yeast
THE CHEESE
Paneer
Feta
Cheddar, mozzarella, and parmesan (separate or combined)
THE GRAINS
Basmati rice
Kerala Matta rice
Brown rice
Semolina (rava)
Wheat flour
All-purpose flour
Noodles (think, flat, udon)
Buckwheat (technically not a grain)
Quinoa (not a grain either)
Stock them up!
By the way, always store the spices and seeds in bottles (or plastic) containers and keep the spices in the fridge to retain their smell and flavour.