Thanks everyone for your recommendations and inputs.
I have decided on
1. 8inch Night Watch Dobsonian Telescope by GSO
D=203mm / F=1200mm Dobsonian F/6 - MADE IN TAIWAN Telescope
Please give your views in the following.
Now looking for some accessories like a barlow lens
Seller is recommended me
2. GSO Super ACHROMATIC 2x BARLOW 1.25" OD, 2 ELEMENT LENS with T-thread
And I saw the following one which has 3 elements
3. GSO 2.5x Barlow 3 Element 1.25"
Link below for both the above items.
4. Laser Collimator
| 1.25IN Telescope Collimator 2INCH Adapter Reflector Telescope Newtonian SCA Laser Collimation 7 Brightness Level Astronomical. Rs 1350.00
| Datyson 1.25 inch Upgarde Eyepiece Laser Collimator Alignment for Telescope with 2"adapter (without Battery). Rs 1800.00