Accessories are indispensable for creating good photographs. Here is a list of my accessories.
Battery Packs for Canon 5D Mark II and Canon 7D cameras
Manfrotto CX PRO3 – 3 Section Carbon Fiber Tripod : This is a light weight and sturdy tripod that accompanies me whenever I travel.
Manfrotto 468MGRC2 Magnesium Hydrostatic Ballhead : This is a sturdy ballhead that can easily support 10 Kg weight. It complements well with the Manfrotto CX PRO3 Carbon Fiber Tripod. It’s ballhead design also permits panoramic movements.
Lowepro photography bag 
National Geographic photography bag 
Domke Photographers Jacket 
Hyperdrive Album : Offers a high storage space and plug & copy feature from SD memory card. An indispensable travel companion. Allows me to store the days shoot in a moment. 
Black Rapid dual strap : Allows me to strap on two DSLR bodies as a backpack. Very effective when you want to have ready access to two camera bodies during outdoor travel shoots.
Black Rapid single strap : An effective strap that allows the camera to be attached through Manfrotto RC2 screw and be readily accessible for the shooting moment.
Fader ND Ultra Mark ii 82mm : This is a variable neutral density filter that deploys two Circular polarizers to cut the light by as much as 12 f stops. Very effective for landscape shots where we desire to smoothen the water flow. 
Circular Polarizer 82mm : To enhance blue skies in landscape photography. 
Lee Graduated Filters (0.6S & 0.9S & 0.9H) : A set of graduated filters for landscape photography.
Visible Dust Quasar Sensor Loupe : Helps spot that speck of dust on the camera sensor. 
Visible Dust SD-800 Arctic Butterfly Pro Kit : Helps effectively remove sensor dust through creation of static electricity on the brush. 
Lens Pen : To clean the lens glass. 
Rocket Blower Sensor Cleaner : To clean sensor dust through a blow of air. 
Avenger A475B Aluminium Boom Stand : To hold the beauty dish or lighting at an angle. 
Manfrotto Sand Bag : To balance the boom stand.
Manfrotto 1052BAC-3 Alu Compact Stand : To hold lighting and diffuser attachments. 
Tristar Backdrop Stands : Sturdy light weight collapsible backdrop stands. 
Backdrop White cloth : For indoor studio environment.
Backdrop Black cloth : For indoor studio environment. 
Eneloop AA NiMH 2000 mAh batteries : These are the best batteries in the market place that hold 75% of the charge level for months. Really advantageous when we need immediate flash usage, without having to worry about battery being charged. 
Maha Powerex MH-C801D Eight Cell 1-Hr PRO Charger : Allows to charge up to 8 batteries. Even offers a full battery discharge to enable conditioning. 
Impact Umbrella Swivel : To attach Westcott softbox with flash on the Manfrotto light stand.
Lastolite Three Flash holder : When using a large softbox, multiple flashes might be required and this attachment allows for three Canon Speedlites to be fixed. 
Canon Remote Switch RS 80N3 : Remote wired camera shutter trigger.
Pony spring Clamps : Very effective to clamp things in the studio environment. For instance to hold the backdrop cloth to the stand.
175F Justin Spring Clamp : A very versatile attachment to attach flashes on the go at any place. 
3.75 Muslin Clamps : Clamps for studio environment. 
SanDisk Extreme 16 GB CF Cards