বাঙ্গালীদের সবচেয়ে প্রাচীন পূর্বপুরুষ হলো নেগ্রিটোরা। বর্তমানে সাঁওতাল, ভীল, মুণ্ডা, হাড়ি, চণ্ডাল ও ডোম উপজাতিকে নেগ্রিটোদের উত্তরসূরী হিসেবে চিহ্নিত করা যায়। বিশেষ করে সুন্দরবন, ময়মনসিংহ ও যশোর অঞ্চলে এদের প্রভাব লক্ষ্যণীয়।
আমাদের অল-ইন-ওয়ান মোবাইল অ্যাপের মাধ্যমে সীমাহীন শেখার সুযোগ উপভোগ করুন।
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
Lorem ipsum dolor, sit amet consectetur adipisicing elit. Ducimus nihil, quo, quis minus aspernatur expedita, incidunt facilis aliquid inventore voluptate dolores accusantium laborum labore a dolorum dolore omnis qui? Consequuntur sed facilis repellendus corrupti amet in quibusdam ducimus illo autem, a praesentium.
1 hour ago
1 x Application (73.22%) | 71.10ms |
1 x Booting (26.78%) | 26.00ms |
update `subjects` set `view_count` = `view_count` + 1, `subjects`.`updated_at` = '2025-04-17 17:03:16' where `id` = 15606
Bindings |
|
Backtrace |
|
select `_lft`, `_rgt` from `subjects` where `id` = 15606 limit 1
Bindings |
|
Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `show_content`, `num_of_mcq`, `num_of_written`, `des_added_by`, `des_updated_by`, `author_name`, `link_subject_id`, `sub_category_id`, `main_category_id`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description`, `vote`, `view_count`, `icon`, `page_type`, `chapter_name` from `subjects` where (`subjects`.`_lft` between 16797 and 16798) and `subjects`.`deleted_at` is null
Bindings |
|
Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (15606) and `subject_descriptions`.`deleted_at` is null
Backtrace |
|
select `id`, `name`, `slug` from `sub_categories` where `sub_categories`.`id` in (4878) and `sub_categories`.`deleted_at` is null
Backtrace |
|
select `id`, `user_id`, `completeable_type`, `completeable_id`, `complete_progress`, `is_complete` from `completes` where `completes`.`completeable_id` in (15606) and `completes`.`completeable_type` = 'App\\Models\\Subject'
Bindings |
|
Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `show_content`, `des_added_by`, `des_updated_by`, `author_name`, `link_subject_id` from `subjects` where `subjects`.`id` in (11050) and `subjects`.`deleted_at` is null
Backtrace |
|
select `id`, `description`, `short_description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (11050) and `subject_descriptions`.`deleted_at` is null
Backtrace |
|
select `id`, `name`, `avatar` from `users` where `users`.`id` in (33722) and `users`.`deleted_at` is null
Backtrace |
|
select * from (select `questions`.`id`, `questions`.`subject_id`, `questions`.`category_id`, `questions`.`sub_category_id`, `questions`.`board_exam_id`, `questions`.`passage_id`, `questions`.`question_type`, `questions`.`question`, `questions`.`is_duplicate`, `questions`.`status`, `questions`.`image`, `subjectables`.`subject_id` as `pivot_subject_id`, `subjectables`.`subjectable_id` as `pivot_subjectable_id`, `subjectables`.`subjectable_type` as `pivot_subjectable_type`, row_number() over (partition by `subjectables`.`subject_id` order by `questions`.`created_at` desc) as `laravel_row` from `questions` inner join `subjectables` on `questions`.`id` = `subjectables`.`subjectable_id` where `subjectables`.`subject_id` in (15606) and `subjectables`.`subjectable_type` = 'App\\Models\\Question' and `questions`.`status` = 'active' and `questions`.`deleted_at` is null) as `laravel_table` where `laravel_row` <= 5 order by `laravel_row`
Bindings |
|
Backtrace |
|
select * from `subjects` where `subjects`.`id` = 15606 and `subjects`.`deleted_at` is null limit 1
Bindings |
|
Backtrace |
|
select `id`, `name`, `slug`, `parent_id`, `_lft`, `_rgt` from `subjects` where (16798 between `subjects`.`_lft` and `subjects`.`_rgt` and `subjects`.`id` <> 15606) and `subjects`.`deleted_at` is null order by `_lft` asc
Bindings |
|
Backtrace |
|
select * from `subjects` where `subjects`.`id` = 15606 and `subjects`.`deleted_at` is null limit 1
Bindings |
|
Backtrace |
|
select `id`, `name`, `parent_id`, `_lft`, `_rgt`, `slug`, `meta_og_title`, `meta_keyword`, `meta_description` from `subjects` where `subjects`.`id` = 15605 and `subjects`.`deleted_at` is null limit 1
Bindings |
|
Backtrace |
|
select `id`, `description`, `subject_id` from `subject_descriptions` where `subject_descriptions`.`subject_id` in (15605) and `subject_descriptions`.`deleted_at` is null
Backtrace |
|
select * from `mediables` where `mediable_type` = 'App\\Models\\Subject' and `mediable_id` in (15606)
Bindings |
|
Backtrace |
|
select `videos`.`video_src_url`, `mediables`.`mediable_id` as `chapter_id` from `videos` inner join `mediables` on `mediables`.`mediable_id` = `videos`.`id` where `videos`.`id` = 0 and `videos`.`video_src` = 'youtube' and `videos`.`deleted_at` is null
Bindings |
|
Backtrace |
|
select `id`, `name`, `main_category_id`, `slug` from `subjects` where `id` <> 15606 and `parent_id` = 15605 and `main_category_id` = 3 and `subjects`.`deleted_at` is null limit 5
Bindings |
|
Backtrace |
|
select * from `package_plans` where `status` = 'active' and `package_plans`.`deleted_at` is null
Bindings |
|
Backtrace |
|
200
[]
[]
0 of 0array:21 [▼ "x-https" => array:1 [▶ 0 => "1" ] "cookie" => array:1 [▶ 0 => "XSRF-TOKEN=eyJpdiI6Ii9wc3FWWjNaaVBYNGlLNFZ6aWJ1M1E9PSIsInZhbHVlIjoiQ0NXT1JhUE8xWmNkcTJmN0VYeW00MDhvTEI2RDJ5czR4aXJCa3l6WFVXV2tZekFPQ2JQa1g2Y1VGU1Y1UjZyczNVeTZPY0JnUXcrMTFEZnJoMm0vUXJuT1dwYjRJdGswNi81dEdUdm5iVEcxcXVhYnp6ei9lQ1Fva1RuajBYSFAiLCJtYWMiOiJiNDZlNDQzZmM3ZTQyYjRjOTk5NTE3ZTE1YTVmZDE3MmZjNzFhMDMyZGI5MjY4MDFmOThhNjNjNjY2NWVlMmNkIiwidGFnIjoiIn0%3D; satt_academy_session=eyJpdiI6IjZrOTRKK0lURU1XQVJ6Wks1MFBQV1E9PSIsInZhbHVlIjoiUXRPRHhZNE10TTVLcWJDRXV3dHRyNXREdzk2MDZqRSsyWnh6bVRkb3gyUHk0cUV0TEJaWFMxb1VaVExUS2dEeVdISTVUVnBEc2xGNFZMdk5jMHlBNHFYQ2M5T090VnZpdk9EVU1YV2d6Qnp2cUtEbG8zOFBSNUcvNGVBcCtCclciLCJtYWMiOiIxMTlmZDNlZGM3ZmQ2NzYyMzNjZGUwMTczYTEwMTg2NzVmZTIyMGQ4YmFiMzBjZjhmNmJmNzQ4YWZiZTYyMTIwIiwidGFnIjoiIn0%3D ◀XSRF-TOKEN=eyJpdiI6Ii9wc3FWWjNaaVBYNGlLNFZ6aWJ1M1E9PSIsInZhbHVlIjoiQ0NXT1JhUE8xWmNkcTJmN0VYeW00MDhvTEI2RDJ5czR4aXJCa3l6WFVXV2tZekFPQ2JQa1g2Y1VGU1Y1UjZyczNVeTZPY ▶" ] "sec-fetch-dest" => array:1 [▶ 0 => "document" ] "sec-fetch-user" => array:1 [▶ 0 => "?1" ] "sec-fetch-mode" => array:1 [▶ 0 => "navigate" ] "sec-fetch-site" => array:1 [▶ 0 => "none" ] "accept" => array:1 [▶ 0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7" ] "user-agent" => array:1 [▶ 0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)" ] "upgrade-insecure-requests" => array:1 [▶ 0 => "1" ] "sec-ch-ua-platform" => array:1 [▶ 0 => ""Windows"" ] "sec-ch-ua-mobile" => array:1 [▶ 0 => "?0" ] "sec-ch-ua" => array:1 [▶ 0 => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129"" ] "cache-control" => array:1 [▶ 0 => "no-cache" ] "pragma" => array:1 [▶ 0 => "no-cache" ] "x-real-ip" => array:1 [▶ 0 => "18.119.98.100" ] "x-forwarded-server" => array:1 [▶ 0 => "debugerror.xyz" ] "x-forwarded-proto" => array:1 [▶ 0 => "https" ] "x-forwarded-port" => array:1 [▶ 0 => "443" ] "x-forwarded-host" => array:1 [▶ 0 => "debugerror.xyz" ] "x-forwarded-for" => array:1 [▶ 0 => "18.119.98.100" ] "host" => array:1 [▶ 0 => "debugerror.xyz" ] ]
0 of 0array:2 [▼ "XSRF-TOKEN" => "xrxVgdxBUGFYKwmVkNgi7oRvLTnAYH6pI3xwIHgD" "satt_academy_session" => "VbGSb3O4bSAv1CdS7T4P5DlRo9JY3GHEa8pHnNgR" ]
0 of 0array:7 [▼ "content-type" => array:1 [▶ 0 => "text/html; charset=UTF-8" ] "cache-control" => array:1 [▶ 0 => "no-cache, private" ] "date" => array:1 [▶ 0 => "Thu, 17 Apr 2025 11:03:16 GMT" ] "x-ratelimit-limit" => array:1 [▶ 0 => "60" ] "x-ratelimit-remaining" => array:1 [▶ 0 => "41" ] "set-cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6Ims2cXIrdU9XdlRPa2dhcFRYTFRGSXc9PSIsInZhbHVlIjoib3M2dnRiMFZtcFp0ckhaN3VTMndKY3YxdithR0Z4ZHRoc0N5QktlbFRESFQ0bzZFblh3cDdzSThzQ0J3OUhBSHdkaDkvTmhwSzhId3hpZllJamxLZi82TGJ4bjdFN1BSSkJOL2xIVmxrOW94WlZNdzFya1hhaVhIOVc1N042T0ciLCJtYWMiOiI3NDgxMDg4OTQ1Y2EyNTY3YWRjM2VhZjRkMWM4YzFiMzQwN2U5ZTUzNmNiZThiNjAzM2Y3MTU0Mzg4YTQzNzBmIiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 11:03:16 GMT; Max-Age=86400; path=/; secure ◀XSRF-TOKEN=eyJpdiI6Ims2cXIrdU9XdlRPa2dhcFRYTFRGSXc9PSIsInZhbHVlIjoib3M2dnRiMFZtcFp0ckhaN3VTMndKY3YxdithR0Z4ZHRoc0N5QktlbFRESFQ0bzZFblh3cDdzSThzQ0J3OUhBSHdkaDkvT ▶" 1 => "satt_academy_session=eyJpdiI6IkhqUzZYTktMYmZiSExzWkE2K1JsT1E9PSIsInZhbHVlIjoiSGY5Qm5QZ28xWmtESk9xS3hEdVo4cm04Z2sxVTlVS2xUVnd6Ry9xRmNtQ2gvUmdQUzg5eE5RYVN3UkVZcTQ0N0lqMzNhZEhLUEdickllSS83TVlDOGNSSnBKNnIxY1hzcGc1NGhEUVZhVnAzRDJPN2N2N2R6U2J0eU1OMG9WUXgiLCJtYWMiOiIwNTE3NGFiZDRiMTRkZmU4YzYwNTZhNzNmNGIzYjVhMzExMTdmODU5MjI5Nzg1MjMxMzhiMzM1MjA5M2I3ZWI0IiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 11:03:16 GMT; Max-Age=86400; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6IkhqUzZYTktMYmZiSExzWkE2K1JsT1E9PSIsInZhbHVlIjoiSGY5Qm5QZ28xWmtESk9xS3hEdVo4cm04Z2sxVTlVS2xUVnd6Ry9xRmNtQ2gvUmdQUzg5eE5RYVN3UkVZcTQ ▶" ] "Set-Cookie" => array:2 [▶ 0 => "XSRF-TOKEN=eyJpdiI6Ims2cXIrdU9XdlRPa2dhcFRYTFRGSXc9PSIsInZhbHVlIjoib3M2dnRiMFZtcFp0ckhaN3VTMndKY3YxdithR0Z4ZHRoc0N5QktlbFRESFQ0bzZFblh3cDdzSThzQ0J3OUhBSHdkaDkvTmhwSzhId3hpZllJamxLZi82TGJ4bjdFN1BSSkJOL2xIVmxrOW94WlZNdzFya1hhaVhIOVc1N042T0ciLCJtYWMiOiI3NDgxMDg4OTQ1Y2EyNTY3YWRjM2VhZjRkMWM4YzFiMzQwN2U5ZTUzNmNiZThiNjAzM2Y3MTU0Mzg4YTQzNzBmIiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 11:03:16 GMT; path=/; secure ◀XSRF-TOKEN=eyJpdiI6Ims2cXIrdU9XdlRPa2dhcFRYTFRGSXc9PSIsInZhbHVlIjoib3M2dnRiMFZtcFp0ckhaN3VTMndKY3YxdithR0Z4ZHRoc0N5QktlbFRESFQ0bzZFblh3cDdzSThzQ0J3OUhBSHdkaDkvT ▶" 1 => "satt_academy_session=eyJpdiI6IkhqUzZYTktMYmZiSExzWkE2K1JsT1E9PSIsInZhbHVlIjoiSGY5Qm5QZ28xWmtESk9xS3hEdVo4cm04Z2sxVTlVS2xUVnd6Ry9xRmNtQ2gvUmdQUzg5eE5RYVN3UkVZcTQ0N0lqMzNhZEhLUEdickllSS83TVlDOGNSSnBKNnIxY1hzcGc1NGhEUVZhVnAzRDJPN2N2N2R6U2J0eU1OMG9WUXgiLCJtYWMiOiIwNTE3NGFiZDRiMTRkZmU4YzYwNTZhNzNmNGIzYjVhMzExMTdmODU5MjI5Nzg1MjMxMzhiMzM1MjA5M2I3ZWI0IiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 11:03:16 GMT; path=/; secure; httponly ◀satt_academy_session=eyJpdiI6IkhqUzZYTktMYmZiSExzWkE2K1JsT1E9PSIsInZhbHVlIjoiSGY5Qm5QZ28xWmtESk9xS3hEdVo4cm04Z2sxVTlVS2xUVnd6Ry9xRmNtQ2gvUmdQUzg5eE5RYVN3UkVZcTQ ▶" ] ]
0 of 0array:3 [▼ "_token" => "xrxVgdxBUGFYKwmVkNgi7oRvLTnAYH6pI3xwIHgD" "_previous" => array:1 [▶ "url" => "https://debugerror.xyz/admission/%E0%A6%A8%E0%A7%87%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%9F%E0%A7%8B-57092" ] "_flash" => array:2 [▶ "old" => [] "new" => [] ] ]