Checklist:

Utilities:
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Brush, Paste, Tongue cleaner, Towel, water bottle (?)
Shaving set(?), Scissors(?), Soap ( Bathing and Washing ) , Shampoo,  polythene covers, slippers
Hanky, Wallet + ID Card, Phone + Charger, Camera set, Jerkin, Monkey cap, Binoculars(?)
Blanket, Nail cutter(?), Spectacles ( + spare ) , Coins ( money ), Deodorant ,Comb,pen drives

Dress requirement:
-----------------------------
April 4th day and night  ( in the train ) - 
5th day ( delhi )  -
5th night ( journey to shimla ) -
6th day ( sight seeing in shimla etc. ) -
6th night ( stay at shimla ) -
7th day ( sight seeing shimla etc. ) -
7th night ( journey to manali ) -
8th day ( visiting Manali ) -
8th night ( stay at manali ) -
9th day ( journey to kullu and visit kullu ) -
9th night ( stay at manali ) -
10th day ( visit rohtang pass, journey to chandigarh in the afternoon ) -
10th night ( still in journey ) -
11th day ( journey to delhi, evening visit delhi ) -
(agra trip ) ----
11th night ( stay in delhi ) -
12th day ( visit delhi, mathura, F'pur Shikri) -
12th night ( stay in agra ) -
13th day ( visit Taj Mahal ) -
13th night ( journey to hyd. ) -

Health care:
------------
Poppins ( motion sickness/nausea )
Perinom ( vomiting )
Cold Act ( cold )
Crocin ( fever/Headache )

(?) - optional