Chapter 17: Here Comes a Letter
चिट्ठी आई है (डाक यात्रा, अगरतला से दिल्ली, पिन कोड एवं संचार माध्यम)
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- Journey of a Postal Letter: 1. Reena writes a postcard in Agartala (Tripura) to her friend Ahmed in New Delhi; 2. Drops postcard into the red neighborhood letterbox; 3. Postman empties box and takes letters to Head Post Office; 4. Letters are stamped with city postmark; 5. Sorted by destination state and loaded onto railway mail wagons; 6. Delivered by local postman to recipient address.
- Postal Index Number (PIN Code): A **6-digit numerical code** in India that identifies specific geographical zones, sub-regions, sorting districts, and local delivery post offices.
- Modern vs Traditional Communication: Postcards, inland letters, stamped envelopes -> Landline telephones, STD public booths -> Mobile smartphones, SMS, and instantaneous emails.
- Trap: How many digits are in an Indian PIN Code? Correct: **6 digits** (e.g., 110001).
- Trap: Sequence of a letter's travel: Writing -> Letterbox -> Post Office sorting & stamping -> Train transit -> Delivery post office -> Postman delivery.
NCERT Core Facts: Postal Logistics, PIN Code Structure & Geographic Transit
NCERT Class 3 Chapter 17 traces communication across 2,500 kilometers between Tripura and New Delhi.
1. The Step-by-Step Odyssey of Reena's Letter
- 1.Writing: Reena pens personal news to Ahmed in New Delhi on a pre-printed postcard.
- 2.Posting: Postcard is inserted into the red pillar letterbox (डाक का डिब्बा).
- 3.Collection & Stamping: The postman collects letters in a canvas sack. At the Agartala post office, a round ink stamp is applied bearing the post office name and date.
- 4.Long-Distance Rail Transit: The letter is placed into a railway mail van bound for New Delhi.
- 5.Local Sorting: Delhi postal sorters read the PIN Code and route the postcard to the neighborhood delivery zone.
- 6.Final Delivery: The local postman walks up the stairs and hands the postcard to Ahmed.
2. Anatomy of an Indian PIN Code (6 Digits)
- Digit 1: Northern, Southern, Eastern, or Western geographical zone.
- Digit 2: Sub-zone or specific State.
- Digit 3: Sorting / revenue district.
- Digits 4, 5, 6: Specific neighborhood delivery branch post office.
Test Your Mastery: Here Comes a Letter
Authentic CBSE exam questions tested directly from this NCERT chapter.
In India, the Postal Index Number (PIN Code) written on letters and postcards consists of how many numerical digits?
भारत में डाक पत्रों पर लिखा जाने वाला पिन कोड (PIN Code) कितने अंकों का होता है?
What is the primary function of the round postal ink stamp marked on envelopes at the origin post office?
डाकघर में लिफाफों पर लगाई जाने वाली गोल मुहर का मुख्य कार्य क्या होता है?
How many digits does a standard Indian PIN Code consist of?
6 digits.
Where did Reena write her letter from in NCERT Chapter 17?
From Agartala in Tripura.